东非岛国塞舌尔最近发现新冠感染病例激增,由于该国许多民众都接种了中国的国药疫苗,引发舆论对中国疫苗有效性的质疑。公共卫生专家说,中国疫苗可能不是最优秀的,但也很难凭目前的数据就断定是中国疫苗故障所致。
东非岛国塞舌尔最近发现新冠感染病例激增,由于该国许多民众都接种了中国的国药疫苗,引发舆论对中国疫苗有效性的质疑。公共卫生专家说,中国疫苗可能不是最优秀的,但也很难凭目前的数据就断定是中国疫苗故障所致。
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