Studies show Omicron variant had a much higher rate of asymptomatic carriage iol.co.za - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iol.co.za Daily Mail and Mail on Sunday newspapers.
Preliminary findings from two clinical trials in SA suggest that Omicron may have a much higher rate of asymptomatic "carriage" than earlier variants of Covid-19.
We speak to associate scientific director at the Centre for the Aids Programme of Research in SA, Prof Quarraisha Abdool Karim, about some of the lessons lessons learnt from the pandemic so far.