There are three COVID-19 vaccines approved for use in the U.S. The Pfizer, Moderna, and Johnson & Johnson vaccines are all highly effective in protecting you from the virus that causes COVID-19.

The Pfizer vaccine received full FDA approval on Aug. 23 and is no longer under emergency use authorization (EUA). It will now be marketed under the name Comirnaty.

Two other vaccines, from Novavax from AstraZeneca, are not available in the U.S.

Vaccines continue to lower your risk for severe disease, hospitalization, and death, even against the widespread Delta variant of COVID-19.

But each is slightly different. Compare them below. If you’re still not sure which vaccine is best for you, talk to your doctor.


The Precarious Asymmetries of Human-AI Relationships

KEY POINTS Human-AI interactions are currently asymmetrical, lacking continuity and depth. AI evolution may lead to more sustained, contextually rich user relationships. Balancing asymmetry and connection requires design advocacy and technological adaptations. As artificial intelligence (AI) [...]