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COVID-19: Things you should know

Origin In December of 2019, there was a cluster of pneumonia cases in China. No one knew why the phenomenon happened, but a further investigation found that it is caused by a virus called Severe Acute Respiratory Syndrome-Related Coronavirus 2 a.k.a “Coronavirus” that causes the infectious disease known as COVID-19. Severe Acute Respiratory Syndrome-Related Coronavirus …

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