Coronavirus antibodies persist at least nine months after infection: study
https://healthell.blogspot.com/2021/07/coronavirus-antibodies-persist-at-least.html
Coronavirus antibodies persist at least nine months after infection: study
A study in northern Italy found coronavirus antibodies persisted in detectable levels for at least nine months after infection, regardless of a symptomatic or asymptomatic course of illness, though results differed depending on test used.
