The World Health Organization is calling for a halt on COVID-19 vaccine boosters until at least the end of September, its head Tedros Adhanom Ghebreyesus said on Wednesday, as the gap between vaccinations in wealthy and poor countries widens.
The World Health Organization is calling for a halt on COVID-19 vaccine boosters until at least the end of September, its head Tedros Adhanom Ghebreyesus said on Wednesday, as the gap between vaccinations in wealthy and poor countries widens.