Some 56 countries missed a World Health Organization target to vaccinate at least 10% of residents by the end of September, the public health agency said.
The FDA greenlit a third dose of Pfizer’s coronavirus vaccine for seniors, people with underlying health conditions and people with “occupational exposure” to the coronavirus.
The coronavirus has claimed more than 1,000 U.S. lives per day since the start of the pandemic, but some states have borne especially large death tolls.