Intervention comes as data shows up to 15% of Omicron cases among those who have had coronavirus before
Reinfections should be included in Covid figures for the UK as soon as possible, scientists have said, amid warnings that up to 15% of Omicron cases could be people who have had coronavirus before.
At present, daily Covid case figures – which reflect the number of infections picked up by testing – do not include reinfections for all countries of the UK.
