The number of reported measles cases in the U.S. this year is set to surpass the total for all of last year. Public health specialists explain how we got to this point.

The number of reported measles cases in the U.S. this year is set to surpass the total for all of last year. Public health specialists explain how we got to this point.

Estados Unidos enfrenta un repunte inédito desde la eliminación de la enfermedad, impulsado por brotes activos y una menor cobertura de vacunación