Getting vaccines into at least 40% of the population can prevent more than 9-million Covid-19 infections and more than 73,000 deaths in SA, say US modellers.
The study has major implications for SA in light of the government decision in March to sell one 1.5-million doses of the AstraZeneca vaccine.
Madhi’s and Reddy’s findings augment the validity of advice given by the World Health Organisation, which was that AstraZeneca vaccine be rolled out as quickly and efficiently as possible despite the reduction of its efficacy by a new variant at the time. The researchers began working on their microsimulation model as very little data was available to inform vaccine rollout policies for low-income and middle-income countries.
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