Pfizer authorizes booster dose for 16, 17-year-olds
by Sabrina Zhu and Alysa Suleiman
• December 14, 2021
FDA approves Pfizer’s COVID-19 vaccine
by Sabrina Zhu, STEM Editor
• August 27, 2021
Vaccine distributions advance in the U.S., California receives 5.7 million doses
by Sabrina Zhu, Assistant STEM Editor
• February 1, 2021
Comparing the COVID-19 vaccines: Pfizer, Moderna and AstraZeneca
by Sabrina Zhu, Assistant STEM Editor
• January 15, 2021
How the Pfizer vaccine works: A breakdown
by Sabrina Zhu and Mark Hu
• January 6, 2021
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