WHO urges all countries around the world to return to the mask regime due to the situation with COVID-19

It is reported by Sky News.

He said countries around the world should "implement proven measures such as masks, improved ventilation, and testing and treatment protocols."

“I am concerned that the number of COVID-19 cases continues to rise, which is placing additional strain on overburdened health systems and healthcare workers,” he said.

Earlier, WHO did not rule out an increase in the incidence of COVID-19 in Russia in the summer.