SA could start giving Covid booster shots by the end of the year
Some experts say SA should rather focus on getting the majority vaccinated as third wave rumbles on
Covid-19 vaccine booster shots may be offered to healthcare workers before the end of the year, based on the latest scientific evidence, said Prof Glenda Gray, co-principal investigator of the Sisonke study which delivered J&J shots to them, from February to May this year.
“The decision will be data-driven and based on available evidence. At a global level, boosters are being given and, at a policy level, SA is evaluating the timing of boosters. This needs to be not too early or too late,” she said.
Research from the UK last week found that protection against Covid-19 provided by two doses of the Pfizer or the Oxford/AstraZeneca vaccines begins to fall within six months, from 88% to 74% and 77% to 67% respectively...