President Joe Biden referenced vaccine mandates in a briefing earlier in the day (before the court decision), calling COVID-19 "a pandemic of the unvaccinated". "For example, before its ...

Service members dismissed from the military for failing to get vaccinated against COVID-19 will be reinstated with full back pay and benefits under an executive order President Trump is expected

WASHINGTON — President Trump began his second term Monday with a sweeping order aimed at reversing dozens of former President Biden’s top priorities, from regulations aimed at lowering health care costs, to coronavirus outreach, Affordable Care Act expansions, and protections against gender-based discrimination.

A notice shared via the U.S. Citizenship and Immigration Services website notes immigrants will no longer be asked to show evidence of having received the vaccine. Applications that do not report a COVID vaccination status will not be denied under the change, according to the notice.

President Trump's plans for the US military include reinstating some 8,000 service members who refused the COVID-19 vaccine and giving them back pay.

Historians say it will take years to fully assess Joe Biden's legacy, but several spoke to ABC News to offer a glimpse of their view on his presidency.