Influenza A virus subtype H7N1

Influenza A virus subtype H7N1
Virus classification
(unranked):	Virus
Realm:	Riboviria
Kingdom:	Orthornavirae
Phylum:	Negarnaviricota
Class:	Insthoviricetes
Order:	Articulavirales
Family:	Orthomyxoviridae
Genus:	Alphainfluenzavirus
Species:	Influenza A virus
Serotype:	Influenza A virus subtype H7N1

H7N1 is a subtype of the species Influenza A virus (sometimes called bird flu virus).^{[citation needed]}

H7N1 was first isolated in 1972, from Eurasian siskin.^[1]

A highly pathogenic strain of it caused a flu outbreak with significant spread to numerous farms, resulting in great economic losses in 1999 in Italy in turkeys.^[2]

References

1. Dorrestein, Gerry M. (2009). "Passerines". 8 – Passerines. pp. 169–208. doi:10.1016/B978-0-7020-2874-8.00008-0. ISBN 9780702028748. S2CID 219547336.
2. "WHO – Avian influenza A(H5N1)- update 31: Situation (poultry) in Asia: need for a long-term response, comparison with previous outbreaks". WHO. Archived from the original on 7 March 2004. Retrieved 10 December 2018.