Business News Covid-19 antibodies persist at least 9 months after infection: Study 98.8 per cent of people infected in February/March showed detectable levels of antibodies in November. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related UAE reports 1,508 cases, 1,477 recoveries, 2 deaths Flights from 16 countries to UAE remain suspended: GCAA