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KnowledgeMixing


Apr
4th
2020

In memory of those who fought against COVID-19. · 6:16am Apr 4th, 2020

In memory of those who fought against COVID-19.
2019, a bad end of a year.
Unknow source virus has been found in Wuhan, the worst flu in the US took more than 20,000 lives.
Li Wenliang, the doctor who first discovered "SARS" cases, COVID-19 infectors, died in 2020.
Due to our lack of knowledge about this new virus, our doctors made a few mistakes, which led to more than 100 casualties in fighting against the virus.

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