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Volume 16, Number 4—April 2010

Dispatch

Pandemic (H1N1) 2009 Infection in Swine Herds, Manitoba, Canada

Tim PasmaComments to Author  and Tomy Joseph
Author affiliations: Manitoba Agriculture, Food and Rural Initiatives, Winnipeg, Manitoba, Canada

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Table

Findings from study of 5 tested swine herds in which pandemic (H1N1) 2009 was diagnosed, Manitoba, Canada, 2009

Herd Type/size Vaccine Human illness Sample 1 Sample 2 Sample 3
A Finishing, 2,080 None No (animal spread) Day 20, 0/32 positive
B Finishing, 3,872 None No (animal spread) Day 5, 3/32 positive Day 19, 0/32 positive Day 67, 0/31 positive
C Nursery, 4,100 None Day –16, manager and family sick Day 19, 0/32 positive
D Finishing, 850 None Day –92, manager and family sick Day 10, 0/32 positive
E Farrowing, 3,100 Subtypes H1N1 and H3N2 (autogenous) None reported Day 10, 7/32 positive Day 17, 0/32 positive

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