https://wccftech.com/apple-ceo-questioned-by-us-senate-on-privacy-of-covid-19-screening-app/

Apple CEO Tim Cook was sent a letter signed by a few United States Senators in which they inquired about the privacy and security of user data from the company's COVID-19 screening app and website.

As per Bloomberg, the letter was sent by senators Bob Menendez, Kamala Harris, Cory Booker and Richard Blumenthal to Apple as an inquiry regarding the security and safety of American's private health data. The letter asked for details on the security and privacy policies in place for the screening app and website, and if they comply with the Health Insurance Portability and Accountability Act (HIPAA).