South Africa asked Johnson & Johnson and Pfizer Inc. to suspend delivery of Covid-19 vaccines as it now has enough stock, an illustration of how plunging demand is undermining the country’s rollout ahead of a potential fourth wave of infections.
Africa’s most developed economy has fully protected just 35% of adults, more than six months after doses were first made available to the public. About 120,000 people received shots on Tuesday, less than half the daily peak.
