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Researchers have found that strains of bird flu found in Korea and Japan this year are almost genetically the same. The National Veterinary Research and Quarantine Service said Wednesday that the genetic makeup of a strain of bird flu sampled from chickens in Gimje, South Jeolla Province was 99.7 percent identical to a sample from swans found in Japan’s Akita prefecture. The finding gives grounds to analysis that the latest outbreak of avian influenza may have originated from migratory birds.
Kim Jae-hong, a professor of veterinary medicine at Seoul National University, said that viruses over 99 percent genetically the same are considered the same strain. This substantiates assumptions that migratory birds spread the virus on their way north in March and April after spending the winter in Southeast Asia. Read more
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