flu shot, 有感染,防一點。
現在的是shot, 不是疫苗。
(發自我的文學城離線瀏覽器)
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the vaccine has been effective in preventing smallpox infection
-Kwseeto-
♂
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01/21/2022 postreply
22:33:05
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not 100%, only 95% for smallpox
-Kwseeto-
♂
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01/21/2022 postreply
22:35:17
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