The Natural History of Type-A Influenza Viruses and Wild Waterfowl

  • R. D. Slemons
  • B. C. Easterday


In the last few years during the fall migration type-A influenza viruses have frequently been isolated from migratory ducks and geese in the Northern hemisphere. The high percent of ducks with recoverable virus and strain variation in these isolants is surprising when compared to epizootic information available on influenza in domestic birds.

Information needed to piece together the natural history of influenza in migratory water birds is lacking and the influence these viruses have on mortaltiy and survival in bird populations at various locations is unknown.

The role of wild birds in the introduction and dissemination of type-A influenza virus to domestic avian populations and in the natural history of human influenza remains to be determined.


Influenza Virus Newcastle Disease Virus Wild Bird Allantoic Fluid Cloacal Swab 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


In den Vergangenen Jahren um die Herbst einwanderungs Zeit im Nordpolarkreis, wurde öfters die Gruppe A Influenza aus Enten und Gänsen isoliert. Der hohe Protzent von Enten mit wieder herstellbarem Virus und der Abstammungs Unterschied ist überraschend wenn Vergleichend mit Viehseuche Information der einheimischen-Vögel.

Auskunft für die zusammensetzung über die natürliche historische Influenza Gruppe in einwandernden Wasser-Vögel fehlt. Sterbe und Lebens unterschied der Vögel-Bevölkerung in verschiedenen Orten ist nicht bekannt.

Der zusammenhang von wielden Vogeln, Einfuhrung, und vertellung der Gruppe A Influenza Virus mit Vergleichung von einheimische Menshen-Influenza ist noch nicht bestimmt.


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Copyright information

© Springer Science+Business Media New York 1976

Authors and Affiliations

  • R. D. Slemons
    • 1
  • B. C. Easterday
    • 1
  1. 1.Department of Veterinary ScienceUniversity of WisconsinMadisonUSA

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