He stated this at a briefing.
“WHO fully supports efforts to open up economies and communities.
We want to see how children return to school, and people return to their jobs, "RIA Novosti Gebreyesus quotes.
He added that this must be done in a safe environment.
The more countries control the spread of COVID-19, the more they can open up, he said.
"Discovery without control is a recipe for disaster," the head of WHO warned.
Earlier, the number of cases of coronavirus detected in the world exceeded 25 million.