JOHANNESBURG — The Africa Centers for Disease Control and Prevention says a continent-wide study has begun into antibodies to the coronavirus after evidence indicated that more people have been infected than official numbers show.
Director John Nkengasong told reporters the study will include all African countries, but the ones showing interest to start in the coming weeks are Liberia, Sierra Leone, Zambia, Zimbabwe, Cameroon, Nigeria and Morocco.
That’s after surveys in Mozambique found antibodies in 5% of households in the city of Nampula and 2.5% in…