Small Business Association (SBA) has a lot of great links and information regarding handling the outbreak and provides guidance for employers as well as assistance for employers. Here are their most relevant links:
The US chamber of congress has a lot of information and assistance programs available to small business owners as well. Here are some relevant links to their site.
In addition to National Guidance both our Pittsburgh and PA governments have resources for your business for handling the coronavirus Locally:
Track the most recent data of the pandemic here. https://covidtracking.com/data/
Pennsylvania data only is contained here. https://www.health.pa.gov/topics/disease/coronavirus/Pages/Cases.aspx