<img src="/wp-content/uploads/2021/12/c333d1756c15b518449b625d9db31896.jpg" alt="Trafalgar Square in London seen lit up with a Christmas tree as the city cancels its New Year’s Event event in light of the spread of the Omicron Covid-19 variant." /> <img src="/wp-content/uploads/2021/12/5c2eb04fe6c30c99975ff7de685c83be.jpg" alt="Scientists have reacted with dismay to Boris Johnson’s decision not to impose fresh restrictions to curb the spread of Omicron." /> <img src="/wp-content/uploads/2021/12/a4dc0f2cd2042fc4218f15e7f694315d.jpg" alt="Residents queue up for a Covid-19 test at a testing site in Xi’an, northwest China’s Shaanxi Province on 17 December." /> <img src="/wp-content/uploads/2021/12/73603d55a9e218cd025c4dc8ec735cf2.jpg" alt="People visit a Christmas market in London, Britain, on 20 December as many wonder whether new Covid curbs will be introduced." /> <img src="/wp-content/uploads/2021/12/c38f8ad586e95e4a1c5b074dce38b26d.jpg" alt="Dallas Stars Ryan Suter defends against a shot by Minnesota Wild left wing Kirill Kaprizov in the second period of an NHL hockey game in Dallas, 20 December." />
