Nation Mar 27

Schools, houses of worship, shopping malls — anywhere that people who are not related to one another congregate indoors — will be off limits for unvaccinated children in Rockland County, New York.

Science Dec 26

Will the U.S. get a licensed dengue vaccine? Will Sanofi pocket a coveted prize?…

Science Dec 16

The increase in early vaccination may be due to fresh memories of how bad last winter was, but other factors may also be at play.

Health Oct 20

The disproportionate number of recent infections among children in the Democratic Republic of Congo — specifically in Beni, the outbreak’s current hot spot — has come as a surprise; typically young children don’t make up a big proportion of cases…

Health Oct 06

The length of the flu season may vary depending on where you live, with large cities enduring longer periods of transmission and smaller cities experiencing shorter, but more explosive, spread, a new study suggests…

Health Sep 29

The struggle against HIV may be undergoing a sea change.

Health Sep 22

Antibiotic-resistant bacteria that have infected more than 100 people and that have been linked to pet store puppies appear to have spread at least in part because healthy dogs were given antibiotics — a decision that all but surely fostered…

Science Aug 24

An analysis of Twitter accounts previously identified as having been operated by Russian bots and trolls found they dove into the vaccine debate as early as January 2015…

Science Jul 28

The family of Ebola viruses has just gotten a bit bigger. The government of Sierra Leone has announced that a new species of Ebola, the sixth, has been discovered there in bats.

World Jun 23

Transmission of the deadly virus appears to have stopped — though it is not yet time to pull back on the response operation.