JOHANNESBURG, South Africa (AFP) — Around half of South Africa’s population may have already been infected by coronavirus, a figure far higher than the documented tally, a study and analysis of death figures suggest. Samples taken from almost 5,000 blood donors across four South African provinces in January showed that between 32 and 63 percent had antibodies to the coronavirus. The figure compares with clinically confirmed case rates of just two to three percent, […]