是什么有助于抵御病毒?

接种疫苗可以帮助预防病毒。在被动接种中,注射了部分病毒。被动疫苗接种包括在实验室中注射疫苗。 作者:3sat nano/ Raketenfilm / Titus Gust / Konstantin Fuchs 翻译与配音 : alugha 点击这里查看更多视频:https://alugha.com/TerraX

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