About 4,000 cases of re-infection with Covid-19 have been found in South Africa, Barry Schoub, the chair of the country’s Ministerial Advisory Committee on Vaccines, said. Source: BusinessTech
About 4,000 cases of re-infection with Covid-19 have been found in South Africa, Barry Schoub, the chair of the country’s Ministerial Advisory Committee on Vaccines, said. Source: BusinessTech