What Does a 95% Effective Vaccine Really Mean? - YouTube
This New Covid Vaccine Could Bring Hope to the Unvaccinated World
The German company CureVac hopes its RNA vaccine will rival those made by Moderna and Pfizer-BioNTech. It could be ready next month.
Researchers Are Hatching a Low-Cost Coronavirus Vaccine
A new formulation entering clinical trials in Brazil, Mexico, Thailand and Vietnam could change how the world fights the pandemic.