Since their debut just 18 months ago, three COVID-19 vaccines have saved an estimated 2.2 million American lives, changed the trajectory of a pandemic and inspired all manner of conspiracy theories....
The vaccines developed by Pfizer and Moderna have revolutionized our approach to immunizations, and they’ve done so with blinding speed. That’s left many people yearning for something a bit more old-school.A COVID-19 vaccine from Novavax could fit that bill....
Yes, there are nanoparticles and s
综合
洛杉矶时报-世界与民族
2022-05-16 00:00:00.0
