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Continue to ChatAZ 疫苗開發者:Delta 病毒使全球「不可能」出現群體免疫 https://geneonline.news/herd-immunity-impossible-covid/?variant=zh-cn
AZ 疫苗開發者:Delta 病毒使全球「不可能」出現群體免疫 https://geneonline.news/herd-immunity-impossible-covid/?variant=zh-cn