Nearly 15,000 health care workers in New York have been off the job since last week in a labor action affecting some of the city’s major hospitals.

Dr. Kirk Milhoan, a pediatric cardiologist who leads the Advisory Committee on Immunization Practices, said a person’s right to refuse a vaccine outweighed concerns about illness or death from infectious diseases.

Just outside Minneapolis, the Whipple Building houses offices, a detention center and a courthouse — and has become the home base for immigration agents and protesters alike.