The U.S. is grappling with its worst measles resurgence in decades, with cases particularly high in Pennsylvania where over 1,300 cases have been confirmed.
The CDC is partnering with state epidemiologists to create a standardized definition for measles deaths, ending a period where state health departments made individual determinations.
New York Governor Kathy Hochul declared a state of emergency Monday as confirmed measles cases surge to 108, prompting expanded vaccine access in rural areas.
