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.
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.