Emerging Infectious Disease ISSN: 1080-6059
Volume 16, Number 10—October 2010
Dispatch
Pandemic (H1N1) 2009 Virus on Commercial Swine Farm, Thailand
Figure

Figure. Percent of pigs with antibodies against pandemic (H1N1) 2009 virus and swine influenza virus (H1N1) detected by hemagglutination-inhibition test, by pig type, Thailand. Serum samples were obtained from pigs of different ages in January 2010. Samples were positive when titer was >40.
Lessons from the History of Quarantine, from Plague to Influenza A
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