Four type A influenza viruses were isolated from tracheal swabs taken from apparently healthy ducks (mallards, Anas platyrhynchos) along the Mississippi fly-way in Minnesota. Initial identification of group A influenza was made possible by the use of the agar gel precipitin test.
How to translate text using browser tools
1 July 1975
ISOLATION OF TYPE A INFLUENZA VIRUSES FROM THE MIGRATORY WATERFOWL ALONG THE MISSISSIPPI FLYWAY
ARUN K. BAHL,
B. S. POMEROY,
B. C. EASTERDAY,
S. MANGUNDIMEDJO