Get Audio+
Scan to download the app


1 Result / Page 1 of 1


The Pfizer COVID-19 vaccine is 90% effective. What does that really mean?

A COVID-19 vaccine being developed by Pfizer and Germany's BioNTech has been found to be more than 90 percent effective. Finally, some hope. Pfizer and BioNTech described it as a "great day for science and humanity". IMAGE: The NY TimesThe vaccine has so far been tested on 43,500 people in 6 countries and no safety concerns have arisen. They are the first drugmakers to release successful data from a clinical […]

today10 November 2020