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Coronavirus disease (COVID-19) – World Health Organization

Coronavirus disease (COVID-19) – World Health Organization

Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.

who.int2019年8月21日

COVID-19 How to Boost Immunity

Here’s How Long COVID-19 Vaccine Immunity Really Lasts

Here’s How Long COVID-19 Vaccine Immunity Really Lasts

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How Does the Immune System Fight COVID-19? - GoodRx

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How protected are we against COVID-19? Scientists are still searching for a way to test immunity

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Coronavirus (Covid-19) Vaccines: Side Effects, Safety, Efficacy And More - GoodRx

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COVID-19 vaccine