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
Wheelchair users say private equity is making repairs harder
People who rely on wheelchairs say that industry consolidation driven by private equity means long delays in getting them fixed, which isolates them from society and endangers their health.
NPR·17h ago
