
U.S. CDC had delayed for months disclosing a suspected COVID-19 animal-to-human spillover event in late 2020, according to National Geography. Researchers said the delay may have allowed for the mutations and transmission of the virus. ■
Source: Xinhua
Editor: huaxia
2022-04-29 18:22:14

U.S. CDC had delayed for months disclosing a suspected COVID-19 animal-to-human spillover event in late 2020, according to National Geography. Researchers said the delay may have allowed for the mutations and transmission of the virus. ■