SARS-CoV-2 virus, which emerged in Wuhan, China, in late 2019. The ensuing pandemic has killed millions worldwide. Vaccines have made the condition much less fatal for those who have been vaccinated, ...
The new Omicron variant is expected to infect 60 per cent of people in China in the coming three months. Symptoms of COVID-19 can range from mild to severe, and can include fever, cough ...