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Influenza Virus A (H10N7) in Chickens and Poultry Abattoir Workers, Australia - Vol. 18 No. 5 - May 2012 - Emerging Infectious Disease journal - CDC

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Influenza Virus A (H10N7) in Chickens and Poultry Abattoir Workers, Australia - Vol. 18 No. 5 - May 2012 - Emerging Infectious Disease journal - CDC


Volume 18, Number 5—May 2012

Dispatch

Influenza Virus A (H10N7) in Chickens and Poultry Abattoir Workers, Australia

George G. ArzeyComments to Author , Peter D. Kirkland, K. Edla Arzey, Melinda Frost, Patrick Maywood, Stephen Conaty, Aeron C. Hurt, Yi-Mo Deng, Pina Iannello, Ian Barr, Dominic E. Dwyer, Mala Ratnamohan, Kenneth McPhie, and Paul Selleck
Author affiliations: Elizabeth Macarthur Agricultural Institute, Menangle, New South Wales, Australia (G.G. Arzey, P.D. Kirkland, K.E. Arzey, M. Frost); Sydney South West Public Health Unit, Sydney, New South Wales, Australia (P. Maywood, S. Conaty); World Health Organization Collaborating Centre for Reference and Research on Influenza, North Melbourne, Victoria, Australia (A.C. Hurt, Y.-M. Deng, P. Iannello, I. Barr); Westmead Hospital Centre for Infectious Diseases and Microbiology, Westmead, New South Wales, Australia (D.E. Dwyer, M. Ratnamohan, K. McPhie); Commonwealth Scientific and Industrial Research Organisation Australian Animal Health Laboratory, East Geelong, Victoria, Australia (P. Selleck)

Abstract

In March 2010, an outbreak of low pathogenicity avian influenza A (H10N7) occurred on a chicken farm in Australia. After processing clinically normal birds from the farm, 7 abattoir workers reported conjunctivitis and minor upper respiratory tract symptoms. Influenza virus A subtype H10 infection was detected in 2 workers.
Reported outbreaks of low pathogenicity avian influenza (LPAI) viruses of influenza A subtype H10 in poultry are uncommon but have occurred among turkeys and emus in the United States (1,2), farmed Pekin ducks in South Africa (3), and chickens in Canada (4). Isolation of influenza virus A (H10N7) was reported in Italy from smuggled poultry products from China (5). Transmission of LPAI viruses from birds to humans, resulting in symptomatic disease, has been reported for influenza virus A subtypes H9N2 in China and Hong Kong, H7N2 in North America and the United Kingdom, H7N3 in Canada, H7N7 in the United Kingdom (6), and H10N7 in Egypt (7).

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