GENEVA (REUTERS) - The World Health Organisation (WHO) is not sure whether the presence of antibodies in blood gives full protection against reinfection with the new coronavirus, Mike Ryan, the WHO's top emergencies expert, told a briefing on Friday (April 17).. Read more at straitstimes.com.

https://www.straitstimes.com/world/europe/coronavirus-who-unsure-antibodies-protect-against-covid-19-little-sign-of-herd-immunity