1) CDC's frequently asked questions:

https://www.cdc.gov/coronavirus/2019-ncov/faq.html 

2) More information about COVID-19:

https://www.cdc.gov/coronavirus/index.html

3) CDC's update on the number of cases in the U.S.: 

https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html 

4) Healthcare professional preparedness checklist for arrival of patients with COVID-19:

https://www.cdc.gov/coronavirus/2019-ncov/downloads/hcp-preparedness-checklist.pdf

5) CDC's information for travelers:

https://www.cdc.gov/coronavirus/2019-ncov/travelers/index.html