The quickest way to find out about a company's responses to this crisis is to use your favorite search engine to find the company's website and see what they've posted about their status and operations. Beyond that, browse below for some other useful sources.
Publicly-traded companies must file financial statements with the Securities and Exchange Commission (SEC), the body that oversees all U.S. stock exchanges. The most useful filings to check for company information on their responses to COVID 19 are probably the 8-K informational filings, the 10-Q quarterly earnings reports, and the 10-K annual reports. Most recent filings can usually be found on the company's Investor Relations web page. You can also locate these filings, with many value-added features at:
Conference calls are substantive conversations between company's upper management and investment banking analysts covering topics including:
These are recorded and transcribed, and made available from various sources, including company web sites. Companies don't always keep a backfile of these on their websites, so these sources can be a good alternative.
In addition to checking the company's website, here are other sources to check for analysis of a company's operational and financial prospects.
Public company, mutual fund, and ETF data plus SEC filings, analyst research reports, industry reports, and stock screening & charting tools.