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South Africa Had Fifth Covid Wave Despite 97% Antibody Protection

  • About 87% of local population have previously had Covid-19
  • Researchers examined 3,395 samples from blood donors

South Africa experienced a fifth wave of Covid-19 infections despite 97% of the population having antibodies due to previous infections or vaccination, the results of a blood survey show.

Examination of 3,395 samples from blood donors earlier this year, at the tail end of the fourth wave of infections, showed that 87% of South Africans had previously been infected with the virus, while just over 97% had either had a previous infection or a vaccination or both. The study was lead by Stellenbosch University’s DST-NRF Centre of Excellence in Epidemiological Modeling and Analysis and the South African National Blood Service.