Booster shots being offered by Pfizer and Moderna are third doses that aim to support your prior doses.
In this case, a COVID-19 vaccine booster shot could help fortify your body against new coronavirus strains.
But will it be effective against this variant?

As it turns out, a Covid-19 booster shot can greatly help protect you against the Omicron variant.
BioNTech engineered Pfizer’s vaccine in conjunction with them.
After all, they’re free.
