Your guide to side effects: What you can expect after a Covid-19 jab 11 May 2021 Medical workers wait for passengers inside a South Africa Health Department mobile coronavirus testing unit at O.R Tambo International Airport in Johannesburg, South Africa. Photographer: Guillem Sartorio/Bloomberg via Getty Images In less than a week, on 17 May, the health department says South Africa will start to vaccinate people aged 60 years and older, as well as 700 000 healthcare workers not covered by the country’s Covid-19 vaccine implementation study, Sisonke. Two jabs will be used: Pfizer’s vaccine in metros and Johnson and Johnson’s (J&J) shot in rural districts.