Pennsylvania Reports Measles Cases in Four Fully Vaccinated Individuals Amidst Outbreak
Four Pennsylvania residents, including one from Lancaster County, who were fully vaccinated against measles have contracted the virus this year, state health officials announced. This marks the first instance of fully vaccinated individuals falling ill during the current statewide measles outbreak, which has affected 676 people, with 295 cases in Lancaster County alone. The affected individuals include three adults and one child, none of whom required hospitalization. State Secretary of Health Dr. Debra Bogen noted that while it is unusual for vaccinated individuals to contract measles, such cases can occur as community transmission and overall case numbers increase. The measles vaccine (MMR) is 97% effective after two doses, meaning approximately three out of 100 fully vaccinated individuals may still contract the virus if exposed. A Lancaster County pediatrician, Dr. Pia Fenimore, emphasized that vaccinated individuals who contract measles typically experience a much milder illness with a lower risk of s...