“The Chinese government has provided vigorous help and support to the WHO expert team [in Wuhan] and Chinese experts have shared a great deal of information and research results with them while helping deepen exchanges with the scientists. Tracing the origins of the virus is a complicated scientific question involving many countries and places as well as many clues, and some evidence suggested that the outbreak occurred in the second half of 2019 in many other places around the world. For example, a US CDC report said in December 2019, some blood samples of Americans tested positive for antibodies of COVID-19, which means the epidemic might have occurred at that time, earlier than the first COVID-19 case reported in the country, which was January 21, 2020”
02 Feb 2021
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