Source: Kathy Katella, YALE MEDICINE, 3/29/21


Even if you're still waiting for a vaccine, watching the first people get their COVID-19 vaccinations may have felt like a huge relief. As the weeks pass, countless reports are coming out about the effectiveness of new vaccines that may be approved. It’s important to keep up, but it’s also a daunting task, given the flood of information (and misinformation) coming at us from so many directions.

So, how do they differ? Here’s what we know so far. Vaccines from Pfizer-BioNTech and Moderna are being administered in the U.S. right now, Johnson & Johnson just received emergency use authorization (EUA) from the Food and Drug Administration (FDA) for its COVID-19 vaccine, and others are on track to do the same.

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