Vaccinations are expected to be rolled out in SA from April. But there are plenty of questions about how this will work.

Two of SA’s renowned experts on vaccines — Prof Glenda Gray, president and CEO of the SA Medical Research Council, and Wits professor of vaccinology Shabir Madhi, who ran Oxford’s AstraZeneca trial in SA — answered questions on the subject at two recent webinars hosted by Daily Maverick last week...