If this gets anywhere near passage we have entered the deepest darkest of dystopian nightmares.

H.R.4980 – To direct the Secretary of Homeland Security to ensure that any individual traveling on a flight that departs from or arrives to an airport inside the United States or a territory of the United States is fully vaccinated against COVID-19, and for other purposes.

https://www.congress.gov/bill/117th-congress/house-bill/4980