COVID-19: A quick look at the pandemic that will define 2020
March 19: First cases in Adams, Lancaster and Lebanon counties March 19: Gov. Wolf announces that all "non-life-sustaining" businesses in Pennsylvania must close their physical locations. Businesses could request waivers to stay open. Enforcement was set to begin at 8 a.m. March 23. March 20: First case in Franklin County March 22: First case in Dauphin County March 22: Pennsylvania residents get their first taste of the terms quarantine, isolation, social distancing and shelter in place. Find out what they mean here. March 23: Wolf extends "stay-at-home" order to eight more counties, includ...