The pharmaceutical company Pfizer indicated on Monday that the data on its vaccine against covid-19 reflects an effectiveness greater than 90%, a level better than expected.
Pfizer says its vaccine against covid-19 is more than 90% effective | Video | CNN
11/9/2020, 7:23:48 PM
The pharmaceutical company Pfizer indicated this Monday that the data on its vaccine against covid-19 reflects an effectiveness greater than 90%, a level better than the | Health | CNN