New study shows immunity drops quickly in mild Covid-19 cases

CORONAVIRUS | A study published on Tuesday shows that in people with mild Covid-19 cases, their antibodies against the coronavirus drop sharply over the first three months after infection, reported Xinhua news agency.

A research team at the University of California, Los Angeles, did an in-depth study of 34 people who had recovered from mild Covid-19 infections. They tested their blood two or three times over three months.