Bacteria

Vibrio vulnificus, which thrives in warm, brackish water, has also killed two people in Florida this year.

By Pooja Salhotra

A cluster of cases in Harlem was traced to two city-owned sites. Lawsuits claim that dangerous bacteria spewed from improperly maintained cooling towers.

By Claire Fahy

Scientists trained artificial intelligence on libraries of DNA and then asked the model to create recipes for viral genomes. Sixteen of them were viable, yielding new viruses.

By Carl Zimmer

With no new cases reported in more than a week, New York City’s health commissioner says the threat has passed. Seven people have died from the disease this summer.

By Joseph Goldstein

New York has endured significant outbreaks in recent years. Some experts say officials should focus more on risks in plumbing systems, even shower heads.

By Joseph Goldstein

Warming is expected to fuel the spread of food-borne pathogens. We might not be prepared.

By Claire Brown

New York City’s Health Department is still seeking to identify the source of an outbreak on the Upper East Side that has infected 67 people.

By Joseph Goldstein

In 1982, she led the research team that figured out how to genetically alter plants, a discovery that would eventually transform global agriculture.

By Jeré Longman

Health officials had not identified the source of the bacteria but said they were optimistic about finding a culprit.

By Joseph Goldstein

The human microbiome is essential to our health, but scientists still know very little about it. Two researchers set out to map this largely uncharted terrain.

By Jeneen Interlandi