ON 11 March 2020, just months after the SARS-CoV-2 coronavirus was first identified in China, the World Health Organization declared COVID-19 to be a public health emergency of international concern. Over the next two years, COVID-19 would go on to infect nearly half a billion people, killing over 6 million around the world. Governments introduced strict lockdowns with stay-at-home orders that shut down the global economy. Now, most of the world is opening up. The Conversation Africa spoke to public health experts based in Kenya, Nigeria and South Africa to get their take on the biggest lessons so far. The…