应GACVS要求，会议介绍了有关1976年猪流感a型病毒(H1N1)暴发和美国当时启动的疫苗接种工作的历史经验。
At its request, GACVS was presented with historical experience from the 1976 swine influenza a (H1N1) outbreak and vaccination efforts initiated at the time in the United States.
应GACVS要求，会议介绍了有关1976年猪流感a型病毒(H1N1)暴发和美国当时启动的疫苗接种工作的历史经验。
At its request, GACVS was presented with historical experience from the 1976 swine influenza a (H1N1) outbreak and vaccination efforts initiated at the time in the United States.
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