Covid variant

South Africa has put its rollout of the Oxford-AstraZeneca vaccine on hold after a study showed "disappointing" results against its new Covid variant. Scientists say the variant accounts for 90% of new Covid cases in South…

Botswana, Zambia, Gambia and Kenya have detected a variant of the Covid-19 virus that was first identified in South Africa last year, the World Health Organization (WHO) has said. WHO's Regional Director for Africa, Matshidiso…