As of Tuesday, 22 children and two adults had been infected, all of whom were unvaccinated, local officials said.

I’ve seen U.S.A.I.D. operate around the world, and it’s not woke — it’s lifesaving.

A new superintendent is trying to improve Houston’s public schools through strictly structured teaching. The district says it’s working. Many educators and parents hate it.

When we face some risk of a bird flu pandemic, do we want to entrust our health to a man who has fought lifesaving vaccines?

Robert F. Kennedy Jr., the nominee to lead the Department of Health and Human Services, made disputed claims before the Senate Committee on Health, Education, Labor and Pensions.

More than 300 homeless African immigrants are camping out in the Gaîté Lyrique, waiting for officials to rule on whether they are minors and eligible for benefits like housing.

Axel Rudakubana, who killed three girls in a stabbing spree at a dance class, was obsessed with violence but had no known ideology. His case has led to calls for a rethink of counterterror strategy.

As trust in medicine declines and vaccine hesitancy spreads, doctors are changing how they talk about lifesaving childhood shots.

R.F.K. Jr. and others have blamed the ingredient for allergies and other illnesses. Scientists say it actually bolsters the immune response.

A beloved illustrator died in the middle of a project. His son, who had been drifting away from art for years, was given the chance to finish the work.

In its original form, the virus survives in just two countries. But a type linked to an oral vaccine used in other nations has already turned up in the West.

Outbreaks among the unvaccinated are a predictable consequence of falling immunization rates. But even vaccinated adults may be vulnerable to some illnesses.

Carol Acosta, known to her fans as “Killadamente,” transformed herself into a social media influencer with a message of self-love. The Dominican American star died last week at the age of 27.

In America, boys looking to celebrate their entry into adulthood are having their own, often lavish, quinceañero parties — a new take on a centuries-old tradition reserved only for girls.

Reading alone is a deeply enjoyable activity. But being read to has its own irreplaceable allure.

The results of a new federal analysis were drawn from studies conducted in other countries, where drinking water contains more fluoride than in the United States.

Photographers and other men offer to build online followings for young girls, but some are pedophiles who work with parents to sexualize them.