The effort, called a serological survey, involves researchers taking blood samples from a representative group of people to see if they have generated antibodies to fight the virus, a sign they’ve been infected BEIJING : When Tiger Ye caught the coronavirus in January, his mother and grandmother nursed him back to health.
Later that month, both women developed fevers, but with Wuhan’s hospitals overflowing they chose instead to bear it out at home.
Months later, with China’s epidemic appearing under control, the pair took a blood test that confirmed they had in fact contracted and fought off the virus.
But they were never counted in the country’s official tally of more than 82,000 infected and nearly 5,000 dead. “They are lucky to have