The Pennsylvania health department has requested emergency support from the US CDC as it grapples with one of the country's largest and most deadly measles outbreaks, though with certain terms. Dan Levine explains ▻ ↧ EXCLUSIVE: Pennsylvania asks for CDC measles help amid Kennedy dispute The Pennsylvania health department has requested emergency support ​from the US CDC as it grapples with one of the country's largest and most deadly measles outbreaks, though with certain terms.