The president’s choice for the job, Dr. Mandy Cohen, would replace Dr. Rochelle Walensky, who is stepping down at the end of the month.

Doctors at the Allina Health System, a wealthy nonprofit in the Midwest, aren’t allowed to see poor patients or children with too many unpaid medical bills.

Death investigators in Utah are among a handful of groups trying to learn how many gay and transgender people die by suicide in the United States.

In return for the shield, the billionaire owners of Purdue Pharma are committed to paying up to $6 billion to help compensate communities and individuals for the ravages of the opioid epidemic.

Though agency advisers had some safety concerns, the Pfizer shot is expected to be available before the winter R.S.V. season.

To combat outbreaks at restaurants and other dining establishments, policies that support sick workers, including paid leave, may be needed, the agency said in a report this week.