A recent study has shown that antibodies could be residual in the blood for up to six months. This research however doesn't show the relationship between immunity and antibodies.
Covid-19 antibodies present in volunteers
A recent study of coronavirus antibodies in the human body has revealed that about 89% of these volunteers still possess some antibodies in their bloodstream for as long as six months, research of about 1,900 individuals suggests.
This data which was compiled by a global COVI...