Scientists in Germany say they've been able to make a nasal vaccine that can shut down a Covid-19 infection in the nose and throat, where the virus gets its first foothold in the body.
HEALTH
Ebola is spreading faster in eastern Congo than it can be tracked, as deaths pass 700
Eighty percent of new Ebola cases in eastern Congo are emerging from unknown chains of transmission, according to WHO, a sign the outbreak is spreading faster than health officials can track.
NPR·1h ago
