90-year-old infected with ‘two virus variants at once’
The unvaccinated woman, who died five days after being admitted to hospital, was infected with both the Alpha and Beta variants of the coronavirus at the same time.
AstraZeneca tests booster jab against Covid variant
The study is expected to provide vital evidence on whether further doses including 'tweaks' against new virus variants may be needed in the future.
Six more Covid cases involving Beta, Delta variants detected
Dr Noor Hisham Abdullah says this brings the total number of cases involving variants of concern and interest to 189.