A recently published South African study set out to determine sero-positivity against SARS-CoV-2 before the fourth wave of COVID-19, in which the omicron variant was dominant.
Sero-positivity measures the presence of antibodies against the virus; it indicates past infection.
The study focused on Gauteng, the country’s economic hub. Ozayr Patel asked Shabir Madhi to unpack the results and explain why the findings suggest that South Africa has reached a turning point in the pandemic.
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