穿透能力強的病毒不一定致病力就強,帶不帶口罩與提高免疫力也是因人而異的,每人需要劑量也可能不一樣。
穿透能力強的病毒不一定致病力就強,帶不帶口罩與提高免疫力也是因人而異的,每人需要劑量也可能不一樣。
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