A surge of measles cases in Pennsylvania has triggered the largest outbreak of the highly contagious virus in the United States in years, raising concerns among health officials. The resurgence follows a decline in vaccination rates, leaving vulnerable populations at greater risk of infection. Experts warn that unvaccinated individuals pose a threat to public health, particularly in densely populated areas where the virus can spread rapidly. Authorities are urging parents and communities to prioritize immunization to curb the growing threat.
Pennsylvania's Measles Outbreak Is the Largest in Decades in the US U.S. News & World Report
