Four more counties, including Cumberland and Dauphin have been given stay at home orders until April 30, and Pennsylvania’s schools and non-life-sustaining businesses are to stay closed until further notice, Gov. Tom Wolf said during a press conference on Monday.

In an interview with Lehigh Valley Business and the Central Penn Business Journal, Dr. Rachel Levine, Pennsylvania Secretary of Health, warned that the number of coronavirus cases is doubling every two days, underscoring the importance of self-isolation and social distancing.