Influenza A outbreaks in Minnesota turkeys due to subtype H10N7 and possible transmission by waterfowl.

D. Karunakaran, V. Hinshaw, P. Poss, J. Newman, D. Halvorson

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Avian influenza outbreaks in Minnesota involving the H10N7 subtype occurred on two turkey farms in 1979 and on a third in 1980. The H10N7 (Hav2 Neq1) subtype had not previously been detected in turkeys in Minnesota or reported in the United States. The clinical signs ranged from severe, with a mortality rate as high as 31%, to subclinical. Antigenically indistinguishable viruses were isolated from healthy mallards on a pond adjacent to the turkey farms, suggesting that the virus responsible for the outbreak may have been introduced by feral ducks.

Original languageEnglish (US)
Pages (from-to)357-366
Number of pages10
JournalAvian diseases
Volume27
Issue number2
DOIs
StatePublished - Jan 1 1983

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