CDC officials described the virus as having a unique combination of gene segments not seen before in people or pigs.
疾病预防控制中心官员称，该病毒具有独特的综合基因片段以前从未见过的人或猪。
CDC officials described the virus as having a unique combination of gene segments not seen before in people or pigs.
疾病预防控制中心官员称，该病毒具有独特的综合基因片段以前从未见过的人或猪。
应用推荐