在墨西哥的猪流感疫情公布五天后，对这种集猪、禽、人流感病毒于一身的新型病毒来源的搜索将目标对准了三个地方。

Five days since the announcement of Mexico's swine flu epidemic, the search for the source of the new virus that combines pig, bird and human influenza is focusing on three main possible sites.

youdao

在墨西哥的猪流感疫情公布五天后，对这种集猪、禽、人流感病毒于一身的新型病毒来源的搜索将目标对准了三个地方。

Five days since the announcement of Mexico's swine flu epidemic, the search for the source of the new virus that combines pig, bird and human influenza is focusing on three main possible sites.

youdao