"NYC Chickenpox Outbreak: 90% of Cases in Unvaccinated Individuals"

Over 90% of the chickenpox cases in a New York City outbreak are among unvaccinated individuals, primarily recent migrants from Central and South America. The outbreak, identified in October 2022, has affected 873 people, with the majority being children and adolescents. The report underscores the importance of high vaccination coverage to prevent transmission, especially in shelters and residential facilities.