"Philadelphia Health Officials Ramp Up Alerts Amid Rising Measles Cases"
A measles outbreak at the Children's Hospital of Philadelphia has infected three unvaccinated children and an unvaccinated parent, with additional suspected cases following a patient's failure to adhere to quarantine and attending daycare. Health officials are concerned as measles vaccination exemptions are on the rise, with the U.S. recording the highest exemption rate ever for the 2022-2023 school year. The measles virus is highly infectious and potentially fatal, particularly for vulnerable groups. The outbreak underscores the importance of measles vaccination, which is 97% effective after two doses. Public health officials are urging vaccinations and adherence to quarantine guidelines to prevent further spread.