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在1980～1981年流感流行季节,甲型流感病毒 H3N2和 H1N1亚型以及乙型流感病毒继续流行并引起流感。
Influenza A viruses H3N2 and H1N1 subtypes, as well as influenza B virus, continue to prevalent and cause flu in the flu season of 1980-1981.