KANSAS CITY, Mo. (AP) — Public forums before local school boards and city councils are the latest source of misinformation about COVID-19.

Videos of people criticizing masks or vaccines as ineffective have been seen by millions of people, and are creating new challenges for local governments and tech companies looking to weigh free speech against the harm of misleading medical claims.

YouTube had removed videos of several local government meetings. But it recently reversed its decision, saying it will create exceptions to its misinformation policy for local government videos. YouTube may still remove content that uses remarks from public forums in an attempt to mislead.

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.