COVID-19 live updates: Vaccines not as effective at preventing hospitalizations as initially thought
- DonnaLeung
- 2021年9月2日
- 讀畢需時 1 分鐘
已更新:2022年12月25日
Well of course. It was just a thought because the vaccines had never been tested on humans. They just tested in mice which were all died after a short period of time.
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