Health officials report a rise in fatalities from a highly contagious virus. The total number of deaths this year now stands at four. Two recent deaths were linked to the outbreak, and it is known that the individuals who died were not vaccinated.

The Pennsylvania Department of Health has provided some details about the individuals, including their places of residence. Further information about the outbreak is available from health officials.

The state's health secretary has expressed condolences to the families of the deceased and stated a commitment to working with partners to address the outbreak.