Laws have reduced ground-level ozone since the 1970s, but scientists warn that rising temperatures will fuel more of the gas and stall pollution reduction.
By improving animal surveillance for viral outbreaks, scientists can develop vaccines to be deployed if a virus spreads to humans, Mount Sinai researcher says.
The AAMC issued a press release calling for federal funding to support hospital- and community-based violence intervention programs to combat gun violence.
As scientists test vaccines in children, evidence indicates how COVID-19 harms kids, how immunizations of others can protect them, and the impact of a vaccine.