APOORVA MANDAVILLI

An uptick in hospitalizations and deaths persists, but the numbers are relatively low and new vaccines are around the corner.

Scientists and educators are searching for ways to improve air quality in the nation’s often dilapidated school buildings.

Hot weather can destabilize mood, exacerbate mental health disorders and complicate drug treatment. Climate change itself is a stressor, scientists say.

Here’s what we know about who should get the flu, Covid and R.S.V. vaccines, and when.

Still, there are fewer than 200 cases nationally each year, and the numbers have fallen significantly from the peak decades ago.

Infections remain very low, despite signs of a slight increase. Now, experts are looking for clues to what living with the coronavirus will be like...

Here’s who should get the flu, Covid and R.S.V. vaccines, and when.

This fall, Americans will be urged to get shots against the flu, Covid and, if they’re older, R.S.V.

Mortality rates fell by 20 percent among women in countries that began cash transfer programs to the poor. Children also benefited.

The virus was contained in most countries with a combination of vaccination and behavioral change.