Lack of Covid testing leaves researchers blind to evolution patterns, WHO warns

Potentially dangerous mutations of the virus could go unnoticed due to testing cuts, UN health agency says

A dramatic drop in testing for Covid-19 has left the world blind to the virus's continuing rampage and its potentially dangerous mutations, the head of the World Health Organization has warned.

The UN health agency said that reported Covid cases and deaths had been dropping dramatically. Last week, just over 15,000 deaths were reported to WHO - the lowest weekly total since March 2020," WHO chief Tedros Adhanom Ghebreyesus told reporters.