An inverse association between West Nile virus serostatus and avian malaria infection status

Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks....
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Medeiros, Matthew CI [verfasserIn] Anderson, Tavis K Higashiguchi, Jenni M Kitron, Uriel D Walker, Edward D Brawn, Jeffrey D Krebs, Bethany L Ruiz, Marilyn O Goldberg, Tony L Ricklefs, Robert E Hamer, Gabriel L

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Parasite-parasite interactions Coinfection Concurrent infection Concomitant infection West Nile virus Haemosporida Avian malaria

Anmerkung:	© Medeiros et al.; licensee BioMed Central Ltd. 2014

Übergeordnetes Werk:	Enthalten in: Parasites & vectors - London : BioMed Central, 2008, 7(2014), 1 vom: 01. Sept.
Übergeordnetes Werk:	volume:7 ; year:2014 ; number:1 ; day:01 ; month:09

Links:	Volltext

DOI / URN:	10.1186/1756-3305-7-415

Katalog-ID:	SPR030181828

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520			\|a Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts.
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700	1		\|a Hamer, Gabriel L \|4 aut
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allfields	10.1186/1756-3305-7-415 doi (DE-627)SPR030181828 (SPR)1756-3305-7-415-e DE-627 ger DE-627 rakwb eng Medeiros, Matthew CI verfasserin aut An inverse association between West Nile virus serostatus and avian malaria infection status 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Medeiros et al.; licensee BioMed Central Ltd. 2014 Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. Parasite-parasite interactions (dpeaa)DE-He213 Coinfection (dpeaa)DE-He213 Concurrent infection (dpeaa)DE-He213 Concomitant infection (dpeaa)DE-He213 West Nile virus (dpeaa)DE-He213 Haemosporida (dpeaa)DE-He213 Avian malaria (dpeaa)DE-He213 Anderson, Tavis K aut Higashiguchi, Jenni M aut Kitron, Uriel D aut Walker, Edward D aut Brawn, Jeffrey D aut Krebs, Bethany L aut Ruiz, Marilyn O aut Goldberg, Tony L aut Ricklefs, Robert E aut Hamer, Gabriel L aut Enthalten in Parasites & vectors London : BioMed Central, 2008 7(2014), 1 vom: 01. Sept. (DE-627)558690076 (DE-600)2409480-8 1756-3305 nnns volume:7 year:2014 number:1 day:01 month:09 https://dx.doi.org/10.1186/1756-3305-7-415 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 01 09
spelling	10.1186/1756-3305-7-415 doi (DE-627)SPR030181828 (SPR)1756-3305-7-415-e DE-627 ger DE-627 rakwb eng Medeiros, Matthew CI verfasserin aut An inverse association between West Nile virus serostatus and avian malaria infection status 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Medeiros et al.; licensee BioMed Central Ltd. 2014 Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. Parasite-parasite interactions (dpeaa)DE-He213 Coinfection (dpeaa)DE-He213 Concurrent infection (dpeaa)DE-He213 Concomitant infection (dpeaa)DE-He213 West Nile virus (dpeaa)DE-He213 Haemosporida (dpeaa)DE-He213 Avian malaria (dpeaa)DE-He213 Anderson, Tavis K aut Higashiguchi, Jenni M aut Kitron, Uriel D aut Walker, Edward D aut Brawn, Jeffrey D aut Krebs, Bethany L aut Ruiz, Marilyn O aut Goldberg, Tony L aut Ricklefs, Robert E aut Hamer, Gabriel L aut Enthalten in Parasites & vectors London : BioMed Central, 2008 7(2014), 1 vom: 01. Sept. (DE-627)558690076 (DE-600)2409480-8 1756-3305 nnns volume:7 year:2014 number:1 day:01 month:09 https://dx.doi.org/10.1186/1756-3305-7-415 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 01 09
allfields_unstemmed	10.1186/1756-3305-7-415 doi (DE-627)SPR030181828 (SPR)1756-3305-7-415-e DE-627 ger DE-627 rakwb eng Medeiros, Matthew CI verfasserin aut An inverse association between West Nile virus serostatus and avian malaria infection status 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Medeiros et al.; licensee BioMed Central Ltd. 2014 Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. Parasite-parasite interactions (dpeaa)DE-He213 Coinfection (dpeaa)DE-He213 Concurrent infection (dpeaa)DE-He213 Concomitant infection (dpeaa)DE-He213 West Nile virus (dpeaa)DE-He213 Haemosporida (dpeaa)DE-He213 Avian malaria (dpeaa)DE-He213 Anderson, Tavis K aut Higashiguchi, Jenni M aut Kitron, Uriel D aut Walker, Edward D aut Brawn, Jeffrey D aut Krebs, Bethany L aut Ruiz, Marilyn O aut Goldberg, Tony L aut Ricklefs, Robert E aut Hamer, Gabriel L aut Enthalten in Parasites & vectors London : BioMed Central, 2008 7(2014), 1 vom: 01. Sept. (DE-627)558690076 (DE-600)2409480-8 1756-3305 nnns volume:7 year:2014 number:1 day:01 month:09 https://dx.doi.org/10.1186/1756-3305-7-415 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 01 09
allfieldsGer	10.1186/1756-3305-7-415 doi (DE-627)SPR030181828 (SPR)1756-3305-7-415-e DE-627 ger DE-627 rakwb eng Medeiros, Matthew CI verfasserin aut An inverse association between West Nile virus serostatus and avian malaria infection status 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Medeiros et al.; licensee BioMed Central Ltd. 2014 Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. Parasite-parasite interactions (dpeaa)DE-He213 Coinfection (dpeaa)DE-He213 Concurrent infection (dpeaa)DE-He213 Concomitant infection (dpeaa)DE-He213 West Nile virus (dpeaa)DE-He213 Haemosporida (dpeaa)DE-He213 Avian malaria (dpeaa)DE-He213 Anderson, Tavis K aut Higashiguchi, Jenni M aut Kitron, Uriel D aut Walker, Edward D aut Brawn, Jeffrey D aut Krebs, Bethany L aut Ruiz, Marilyn O aut Goldberg, Tony L aut Ricklefs, Robert E aut Hamer, Gabriel L aut Enthalten in Parasites & vectors London : BioMed Central, 2008 7(2014), 1 vom: 01. Sept. (DE-627)558690076 (DE-600)2409480-8 1756-3305 nnns volume:7 year:2014 number:1 day:01 month:09 https://dx.doi.org/10.1186/1756-3305-7-415 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 01 09
allfieldsSound	10.1186/1756-3305-7-415 doi (DE-627)SPR030181828 (SPR)1756-3305-7-415-e DE-627 ger DE-627 rakwb eng Medeiros, Matthew CI verfasserin aut An inverse association between West Nile virus serostatus and avian malaria infection status 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Medeiros et al.; licensee BioMed Central Ltd. 2014 Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. Parasite-parasite interactions (dpeaa)DE-He213 Coinfection (dpeaa)DE-He213 Concurrent infection (dpeaa)DE-He213 Concomitant infection (dpeaa)DE-He213 West Nile virus (dpeaa)DE-He213 Haemosporida (dpeaa)DE-He213 Avian malaria (dpeaa)DE-He213 Anderson, Tavis K aut Higashiguchi, Jenni M aut Kitron, Uriel D aut Walker, Edward D aut Brawn, Jeffrey D aut Krebs, Bethany L aut Ruiz, Marilyn O aut Goldberg, Tony L aut Ricklefs, Robert E aut Hamer, Gabriel L aut Enthalten in Parasites & vectors London : BioMed Central, 2008 7(2014), 1 vom: 01. Sept. (DE-627)558690076 (DE-600)2409480-8 1756-3305 nnns volume:7 year:2014 number:1 day:01 month:09 https://dx.doi.org/10.1186/1756-3305-7-415 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 01 09
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author	Medeiros, Matthew CI
spellingShingle	Medeiros, Matthew CI misc Parasite-parasite interactions misc Coinfection misc Concurrent infection misc Concomitant infection misc West Nile virus misc Haemosporida misc Avian malaria An inverse association between West Nile virus serostatus and avian malaria infection status
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topic_title	An inverse association between West Nile virus serostatus and avian malaria infection status Parasite-parasite interactions (dpeaa)DE-He213 Coinfection (dpeaa)DE-He213 Concurrent infection (dpeaa)DE-He213 Concomitant infection (dpeaa)DE-He213 West Nile virus (dpeaa)DE-He213 Haemosporida (dpeaa)DE-He213 Avian malaria (dpeaa)DE-He213
topic	misc Parasite-parasite interactions misc Coinfection misc Concurrent infection misc Concomitant infection misc West Nile virus misc Haemosporida misc Avian malaria
topic_unstemmed	misc Parasite-parasite interactions misc Coinfection misc Concurrent infection misc Concomitant infection misc West Nile virus misc Haemosporida misc Avian malaria
topic_browse	misc Parasite-parasite interactions misc Coinfection misc Concurrent infection misc Concomitant infection misc West Nile virus misc Haemosporida misc Avian malaria
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title	An inverse association between West Nile virus serostatus and avian malaria infection status
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title_full	An inverse association between West Nile virus serostatus and avian malaria infection status
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author_browse	Medeiros, Matthew CI Anderson, Tavis K Higashiguchi, Jenni M Kitron, Uriel D Walker, Edward D Brawn, Jeffrey D Krebs, Bethany L Ruiz, Marilyn O Goldberg, Tony L Ricklefs, Robert E Hamer, Gabriel L
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title_sort	inverse association between west nile virus serostatus and avian malaria infection status
title_auth	An inverse association between West Nile virus serostatus and avian malaria infection status
abstract	Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. © Medeiros et al.; licensee BioMed Central Ltd. 2014
abstractGer	Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. © Medeiros et al.; licensee BioMed Central Ltd. 2014
abstract_unstemmed	Background Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host individual. Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts. © Medeiros et al.; licensee BioMed Central Ltd. 2014
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title_short	An inverse association between West Nile virus serostatus and avian malaria infection status
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Concurrent infections can have important consequences for host condition and fitness, including elevated mortality risks. In addition, interactions between coinfecting pathogens may have important implications for transmission dynamics. Methods Here, we explore patterns of association between two common avian pathogens (West Nile virus and avian malaria parasites) among a suburban bird community in Chicago, IL, USA that share mosquito vectors. We surveyed 1714 individual birds across 13 species for both pathogens through established molecular protocols. Results Field investigations of haemosporidian and West Nile virus (WNV) infections among sampled birds yielded an inverse association between WNV serostatus and Plasmodium infection status. This relationship occurred in adult birds but not in juveniles. There was no evidence for a relationship between Haemoproteus infection and WNV serostatus. We detected similar prevalence of Plasmodium among birds captured with active WNV infections and spatiotemporally paired WNV-naïve individuals of the same species, demonstrating that the two pathogens can co-infect hosts. Conclusions Mechanisms explaining the negative association between WNV serostatus and Plasmodium infection status remain unclear and must be resolved through experimental infection procedures. However, our results highlight potential interactions between two common avian pathogens that may influence their transmission among hosts. This is especially relevant considering that West Nile virus is a common zoonotic pathogen with public health implications. Moreover, both pathogens are instructive models in infectious disease ecology, and infection with either has fitness consequences for their avian hosts.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Parasite-parasite interactions</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Coinfection</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Concurrent infection</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Concomitant infection</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">West Nile virus</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Haemosporida</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Avian malaria</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Anderson, Tavis K</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Higashiguchi, Jenni M</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kitron, Uriel D</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Walker, Edward D</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Brawn, Jeffrey D</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Krebs, Bethany L</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ruiz, Marilyn O</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Goldberg, Tony L</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ricklefs, Robert E</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hamer, Gabriel L</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Parasites & vectors</subfield><subfield code="d">London : BioMed Central, 2008</subfield><subfield code="g">7(2014), 1 vom: 01. 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An inverse association between West Nile virus serostatus and avian malaria infection status

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