China engineered Covid 'bioweapon' to purposely infect people Wuhan researcher claims June 27 2023 at 10:35PM

China engineered Covid-19 as a "bioweapon" to purposely infect people, a researcher at Wuhan Institute of Virology claimed. In an exclusive interview, Chao Shao, a researcher from Wuhan claimed that his colleagues were given four strains of the virus to find out which could spread best.