H.R. 6666:
https://www.congress.gov/bill/116th-congress/house-bill/6666/text
Online course for contact tracers by Johns Hopkins:
https://www.coursera.org/learn/covid-19-contact-tracing?edocomorp=covid-19-contact-tracing
Covi-pass:
https://www.covipass.com/
One example of a good product to defend against this:
https://www.block-itpocket.com/block-it-bpocketb-shop-prod.html?products_id=38038&cmid=646
