Pres. Trump’s administration announces restrictions on travel from China.

Source:

• 
  January 31, 2020. Michael Corkery, and Annie Karni. “Trump Administration Restricts Entry Into U.S. From China.” The New York Times, sec. Business.
  https://www.nytimes.com/2020/01/31/business/china-travel-coronavirus.html.
  News.
• 
  May 12, 2020. Susan V. Lawrence. “COVID-19 and China: A Chronology of Events (December 2019-January 2020).” R46354. Congressional Research Service.
  https://crsreports.congress.gov/product/pdf/R/R46354/1.
  Government.