Vaccination rates are high in Allegheny County, but experts say there is room for improvementIn 2017-18, about 96% of Allegheny County students received all of their required vaccinations, surpassing the 95% “herd immunity” goal.In 2017-18, about 96% of Allegheny County students received all of their required vaccinations, surpassing the 95% “herd immunity” goal.
Source: Vaccination rates are high in Allegheny County, but experts say there is room for improvement (https://www.post-gazette.com/news/health/2019/04/22/Vaccines-Immunizations-measles-outbreak-Pennsylvania-student-law-Pittsburgh/stories/201904190007)