Hepatitis B Vaccine, Once a Public Health Win, Is Under Threat From RFK Jr.

Rates of the disease have fallen since 1991, when a vaccine committee recommended all newborns receive the shot.

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RFK Jr.’s Report on Childhood Health Is Set for Release

The report, from a commission led by Robert F. Kennedy Jr., will most likely propose initiatives around medications but not direct restrictions on pesticides.

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F.D.A. Targets Mousse and Foam Sunscreens

The agency issued warnings to companies that make foam and whipped sunscreens, but that doesn’t necessarily mean the products are ineffective.

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Why Covid Is Spreading Again This Summer

Researchers are seeing an uptick in cases, as they have every summer since the pandemic began. Here’s why.

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Wegovy Gets F.D.A. Approval for MASH

Wegovy has been approved for use among the growing number of Americans who have MASH.

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U.S. Alcohol Consumption Hits New Low, Poll Finds

The results signal a shift after a recent uptick in drinking among middle-aged adults in particular.

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R.S.V. Season Is Approaching. Here’s How to Protect Yourself.

Doctors recommend that eligible people get vaccinated in late summer or early fall so antibodies can kick in before cases spread.

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What to Know About Legionnaires’ Disease, Which Has Sickened 58 in NYC

The cases are most likely linked to a cooling tower in central Harlem, health officials said.

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What to Know About Legionnaires’ Disease, Which Has Sickened 22 in N.Y.C.

The cases are most likely linked to a cooling tower in central Harlem, health officials said.

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What Do You Want to Know About Vaccines?

The Times wants to hear from you.

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