The World Health Organization (WHO) is calling on high-income countries to halt the use of booster shots before the end of September in order to allow at least 10 percent of the population of every country to be vaccinated against COVID-19.
The World Health Organization (WHO) is calling on high-income countries to halt the use of booster shots before the end of September in order to allow at least 10 percent of the population of every country to be vaccinated against COVID-19.
