Third wave talks in SA: Should you book your winter holiday? Share The World Health Organization regional director for Africa, Dr Matshidiso Moeti, said this week that the Covid-19 situation in India and new variants place the African continent at risk of a third wave. With the start of winter in Southern Africa, Moeti said there’s a potential for a surge in Covid-19 cases. The talk of the third wave in South Africa has caused worry for South Africans who have planned holidays or on the verge of planning a getaway. South African travel experts urge travellers to plan their trips with caution.