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An outbreak investigation has been conducted by Disease Investigation Center, Region II, Bukittinggi. 180 nasal swabs and serum samples were collected in pigs in the breeder, weaner and farrow/finishing units.
33 samples were positive for influenza A and divided on 11 pool samples, which were sent to the Indonesian Research Center for Veterinary Sciences and to the Australian Animal Health Laboratory for advanced tests. 6 samples were positive for pandemic influenza A/H1N1.
http://www.oie.int/wahis/reports/en_imm_0000008696_20091126_150622.pdf
