The deaths are the first measles-related fatalities in the U.S. this year. Both people had not been vaccinated against the illness.

Two people have died in a growing measles outbreak in Pennsylvania.The Pennsylvania Department of Health announced the deaths Tuesday morning, noting that they are the first…

Pennsylvania has now reported 393 confirmed cases of measles as the infectious disease threatens to return.

Pennsylvania confirms two deaths in unvaccinated individuals, state's first in 35 years