On March 17, there were 96 cases in the state; more than half of them were in the Philadelphia area with Montgomery County as the highest number.[2] Philadelphia issued a stay-at-home order on March 22. Secretary of Health for the Commonwealth of Pennsylvania and Professor of Pediatrics and Psychiatry at the Penn State, Rachel Levine, led the early response to the outbreak.[3] On March 28, Governor Tom Wolf issued a stay-at-home order for Beaver, Butler, Westmoreland, Centre, and Washington Counties, according to a release from Harrisburg. Governor Wolf announced 533 new cases, bringing the statewide total to 2,751.