XEC was first detected in Germany in June, and has since been reported in the UK, Denmark and Ukraine. Symptoms include a high temperature, aches, tiredness, a cough or sore throat, trouble ...
1, KP.2, KP.3 and XEC. These are all descendants of omicron. The XEC variant was first detected in Italy in May 2024. The World Health Organization (WHO) designated it as a variant "under ...