The World Health Organization’s emergencies chief said Friday that the impact of new variants of COVID-19 in places like Britain, South Africa and Brazil remains to […]
Scientists have uncovered new clues implicating a type of herpes virus as the cause of a central nervous system disease in monkeys that’s similar to multiple […]
As the vaccination of older adults against COVID-19 begins across the country, new poll data suggests that many of them don’t yet have access to the […]