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The Pfizer BioNTech (BNT162b2) COVID-19 vaccine: What you need to know
How the omicron variant differs from delta
By Jessica Rendall
Unvaccinated seniors 49 times more likely to be hospitalized than those with boosters – CDC
By Maya Yang
Opinion: Vaccines are a tool, not a silver bullet. If we'd allowed more scientific debate, we would have realized this earlier
By Norman Doidge
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Covid-19 hospitalizations are dropping in the Northeast. In other parts of the country, they're rising
By Christina Maxouris
Update on COVID-19 Vaccination of 5-11 Year Olds in the U.S.
By Anna Rouw, Jennifer Tolbert & Jennifer Kates
When Can You Get Your Booster Shot After Recovering From COVID-19?
By Carla M. Delgado
Covid-19 Vaccine and Heart Attack Risk: What the Research Shows
By Jill Seladi-Schulman
Why doesn't 'fully vaccinated' for COVID-19 mean booster shots?
By Peter Butler & Clifford Colby