Over 3 per cent of people in Wuhan may have had Covid-19, possibly with no or mild symptoms, studies say

Two separate studies that involved antibody testing for Covid-19 suggest more than 3 per cent of people in Wuhan – a city of 11 million – may have previously had infections, possibly with no or very mild symptoms.One team of Chinese scientists tested 17,368 people in Wuhan – where the first cases were reported in December – and other cities in China from March 9 to April 10, aiming to assess how prevalent the disease had been.While nucleic acid tests are used to identify whether someone has…

from South China Morning Post https://www.scmp.com/news/china/science/article/3088683/over-3-cent-people-wuhan-may-have-had-covid-19-possibly-no-or