Sub-Saharan Africa has recorded its first COVID-19 death, a high-ranking politician in Burkina Faso, as the head of the World Health Organisation urged the continent to “prepare for the worst”. “Africa should wake up,” Tedros Adhanom Ghebreyesus told a news conference in Geneva on Wednesday, pointing out that “in other countries, we have seen how the virus actually accelerates after a certain tipping point”. Africa has lagged behind the global curve for coronavirus infections and deaths, but in the past few days has seen a significant rise in cases.