Health and Medicine

Antibodies against coronavirus : A few countries , including the U.K , were toying with the idea of issuing some form of a certificate to people who have been infected with novel coronavirus and recovered subsequently , as such people were assumed to be resistant to reinfection. Incidentally this idea was born even before any evidence about how long the antibodies produced in response to infection would last. Now a study published in Nature Medicine suggests that antibodies formed against SARS- Cov-2 begin to decrease in number , just two-three months after infection. "We observed that IgG levels and neutralizing antibodies in a high proportion of individuals who recovered from SARS - Cov-2 infection starts to decrease within two-three months after infection. "Quan-Xin Long from Chongqing Medical University , Chongqing ,China and others write. In contrast , circulating antibodies against 2002-2003 SARS and MERS coronavirus were found to last more than one year. In the case of...