The student news site of The Harker School.

Harker Aquila

The student news site of The Harker School.

Harker Aquila

The student news site of The Harker School.

Harker Aquila

Countries across the world are currently rolling out three main versions of the COVID-19 vaccine from Pfizer, Moderna and AstraZeneca. The first vaccines were administered in December, with plans to complete a large portion of the rollout throughout 2021.

Comparing the COVID-19 vaccines: Pfizer, Moderna and AstraZeneca

by Sabrina Zhu, Assistant STEM Editor January 15, 2021

The first Pfizer-BioNTech COVID-19 vaccines were administered on Dec. 14 after being given emergency use authorization (EUA) by the Food and Drug Administration (FDA) on Dec. 11. Moderna also received...

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