Various institutions began rolling out COVID-19 vaccine mandates on Monday after the Food and Drug Administration gave its first full approval to the Pfizer-BioNTech shots, and more are likely to follow suit in the coming days.

While many governments, schools and businesses have put vaccine requirement into place in recent weeks, others said they would hold off until the FDA granted a vaccine its full approval ― a step that goes further than the emergency use authorization that let vaccine distribution kick off in December.

Following the FDA’s approval on Monday, President Joe Biden urged decision-makers to put vaccine requirements into place.

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