Covid Updates: Africa Faces Third Wave as Vaccine Rollout Sputters Last Updated June 4, 2021, 1:45 a.m. ETJune 4, 2021, 1:45 a.m. ET The U.S. detailed plans to send 25 million doses of the vaccine abroad. And the death toll in long-term care facilities has dropped sharply, from a peak of 5,000 a week to fewer than 300. Here’s what you need to know: South African retirees waiting to receive doses of Covid vaccine at a clinic near Johannesburg, South Africa, last week.Credit...Themba Hadebe/Associated Press A sudden, sharp rise in coronavirus cases in many parts of Africa could amount to a continental third wave, the World Health Organization warned on Thursday, a portent of deeper trouble for a continent whose immunization drives have been crippled by shortfalls in funding and vaccine doses.