WASHINGTON (AP) — Many working-age people assume that Medicare covers just about every kind of health care that an older person may need.

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But it doesn’t.

Some of the biggest gaps involve dental, vision and hearing services.

Now Democrats are trying to make those benefits a standard part of Medicare under massive legislation expected later this year to advance President Joe Biden’s domestic agenda.

Sen. Bernie Sanders and other progressives are leading the push.

Their goal is a comprehensive benefit that would cover as many Medicare recipients as possible without delays such as an extended phase-in period.

LOOK: Answers to 30 common COVID-19 vaccine questions

While much is still unknown about the coronavirus and the future, what is known is that the currently available vaccines have gone through all three trial phases and are safe and effective. It will be necessary for as many Americans as possible to be vaccinated in order to finally return to some level of pre-pandemic normalcy, and hopefully these 30 answers provided here will help readers get vaccinated as soon they are able.