Microsoft has published the sample report and created a publish-to-web embed code. You can visit the Microsoft page here and use the embed code to embed the complete sample, including the national view, and drill down to the state and county level in your own website. Before publishing this data, Microsoft recommends reviewing the disclaimers in the article.
Disclaimers from Microsoft
This report and data are provided “as is”, “with all faults”, and without warranty of any kind. Microsoft gives no express warranties or guarantees and expressly disclaims all implied warranties, including merchantability, fitness for a particular purpose, and non-infringement.
USAFacts data is available under a Creative Commons license. To use it, cite USAFacts as the data provider and link back to USAFacts. For exact attribution steps, see the #MadewithUSAFacts section of the USAFacts page, Coronavirus in the United States: Mapping the COVID-19 outbreak in the states and counties.