Travellers line up with their belongings outside Hankou Railway Station after travel restrictions to leave Wuhan, the capital of Hubei province and China’s epicentre of the novel coronavirus disease (COVID-19) outbreak, were lifted, April 8, 2020.
Aly Song | Reuters
Covid-19 may have been circulating in China as early as August 2019, a new study from Harvard Medical School (HMS) claims.
The virus, which is widely believed to have originated in a wildlife market in the Chinese city of Wuhan, was first reported to the WHO in late December.
However, an analysis of hospital traffic and search engine data in Wuhan indicates that there was early disease activity in the fall of 2019, according to…