ST. PETERSBURG, Fla. (AP) — Just over half of Florida’s 2.8 million public school students now face mandates to wear masks in classrooms.

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More districts are defying Gov. Ron DeSantis amid a courtroom battle over the Republican's efforts to leave such decisions to parents.

The Orange County School Board voted to tighten its mask mandate through October.

That makes at least 10 of Florida's largest districts who say they're following federal public health recommendations to reduce coronavirus infections.

Meanwhile in Tallahassee, a three day hearing is wrapping up on a lawsuit by parents who want strict mask rules to keep their kids safe.

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.