University of Witwatersrand: Population Based Survey Reveals Why SA is at a Turning Point in the Pandemic
February 25, 2022
February 25, 2022
JOHANNESBURG, South Africa, Feb. 25 (TNSJou) -- The University of the Witwatersrand issued the following news:
South Africans had extensive immunity against severe Covid-19 disease and death prior to Omicron, due to high infections in the first 3 waves and vaccination.
A recent study in Gauteng, where a quarter of South Africans - some 15.5 million - live, showed that three in four people had been infected by the SARS-CoV-2 virus (which causes Covid-19) at least once si . . .
South Africans had extensive immunity against severe Covid-19 disease and death prior to Omicron, due to high infections in the first 3 waves and vaccination.
A recent study in Gauteng, where a quarter of South Africans - some 15.5 million - live, showed that three in four people had been infected by the SARS-CoV-2 virus (which causes Covid-19) at least once si . . .