Although the first clusters of atypical pneumonia were reported in Wuhan, China, it doesn't necessarily mean that is where the #COVID19 crossed from animals into humans, a senior World Health Organization (WHO) expert said on Monday.
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Although the first clusters of atypical pneumonia were reported in Wuhan, China, it doesn't necessarily mean that is where the #COVID19 crossed from animals into humans, a senior World Health Organization (WHO) expert said on Monday.