for-phone-onlyfor-tablet-portrait-upfor-tablet-landscape-upfor-desktop-upfor-wide-desktop-up

Video Module

WHO sees little sign of herd immunity

Posted

The World Health Organization's top emergencies expert Mike Ryans told a briefing on Friday that even if antibodies were effective there was little sign that large numbers of people had developed them and were beginning to offer so-called "herd immunity" to the broader population.

Video Module

for-phone-onlyfor-tablet-portrait-upfor-tablet-landscape-upfor-desktop-upfor-wide-desktop-up