According to the clues, reports and researches, the COVID-19 pandemic was spotted in various places around the world early in the second half of 2019, Zhao Lijian, Chinese Foreign Ministry spokesperson Zhao Lijian told a routine press conference on Wednesday.
China takes the origins-tracing work seriously with a responsible attitude, and has made positive contributions that are widely recognized. If the US side truly demands a completely transparent investigation, it should follow China's lead to invite the WHO experts to the US, open Fort Detrick and biolabs overseas to the rest of the world, and disclose the detailed data and information on the unexplained outbreaks of respiratory disease in northern Virginia in July, 2019 and the EVALI outbreak in Wisconsin, the official noted.
"We urge the US and other relevant countries to cooperate with the WHO in a scientific, open and transparent manner," Zhao said.