Yes you are right. Figures of as many as 80%[1] of the population probably has had Covid have the quoted for a while now. So guess the question the SA government has to ask themselves is do they go ahead with the booster shots. For now Covid restrictions are at their lowest since the initial lock down in 2020. I suppose we will know in another month or two when there is enough data.

[1]https://www.moneyweb.co.za/news-fast-news/deaths-data-shows-...