Before the outbreak of novel coronavirus, Ms. Yan had studied influenza but not coronavirus.She did work in one of the world's leading virology laboratories at the University of Hong Kong, but she was new to the field and was hired because of her experience with laboratory animals, according to two University employees who knew her.She was an associate in the investigation of the Novel Coronavirus outbreak, not the lead investigator.
As early as mid-January, Ms. Yan, who does research in Hong Kong, had heard rumors that a dangerous new virus had emerged in mainland China and that the government was playing it down.Worried about her personal safety and career, she offered her help to her favorite Chinese-language YouTube host, known for his criticism of the Chinese government.
to millions an unproven claim that the Novel Coronavirus is a Chinese-made biological weapon.
