Wuhan's Covid-19 cases may have been 10 times higher, study shows
Nearly 500,000 residents in China's Wuhan may have been infected with Covid-19, nearly 10 times more than the 50,354 confirmed cases, a study by public health authorities showed. A serological survey of over 34,000 people in Wuhan, which is home to 11 million people, conducted in April found an antibody prevalence rate of 4.43% for Covid-19.