The research has been published in the 'Science Immunology Journal'
11 Dec 2021 7:18 AM GMT
Omicron is the fifth such VOC, and the first since the Delta (B.1.617) variant which ravaged so many countries
1 Dec 2021 9:19 PM GMT
During this second wave, 2 per cent tested positive among those 65 or older who had previously not had COVID-19
19 March 2021 7:00 AM GMT