evidence: Covid-19 is continuing to spread around the world, with more than 550 million confirmed cases and more than six million deaths reported across almost 200 countries. [...] Asia, which was the centre of the initial outbreak that spread from Wuhan in China in early 2020, shows a mixed picture. [...] Covid-19 was first detected in the city of Wuhan, China, in late 2019 but the outbreak spread quickly across the globe in the first months of 2020.