Testing COVID-19 vaccine in South Africa July 14, 2020 (Photo: AFP/VNA)

“Acting strategically and globally is actually in each country’s national interest. No one is safe until everyone is safe,” he told an online briefing. Calling for an end to “vaccine nationalism”, Mr. Ghebreyesus said he has sent a letter to all WHO members asking them to join the multilateral COVID-19 vaccine effort.

The WHO on Tuesday expressed concern about the transmission rate among people in their 20s, 30s, and 40s, pointing out that most infected people show no symptoms.