The WHO warned, however, that with winter approaching for Southern Hemisphere countries, "there is a high risk of another wave of new infections." The coronavirus spreads more easily in cooler temperatures when people are more likely to gather in larger numbers indoors.

"With the virus still circulating, the risk of new and potentially more deadly variants emerging remains, and the pandemic control measures are pivotal to effective response to a surge in infections," said Dr. Matshidiso Moeti, WHO's Africa director..