穿透能力强的病毒不一定致病力就强,带不带口罩与提高免疫力也是因人而异的,每人需要剂量也可能不一样。
穿透能力强的病毒不一定致病力就强,带不带口罩与提高免疫力也是因人而异的,每人需要剂量也可能不一样。
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