
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

3 COVID-19 vaccines move forward after promising Phase 3 clinical trial data
by Mark Hu and Sabrina Zhu
• December 2, 2020
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