Developing an effective vaccine is the first step. Then comes the question of how to deliver hundreds of millions of doses that may need to be kept at arctic temperatures.
Tag: Pfizer Inc
Coronavirus Crisis Has Made Brazil an Ideal Vaccine Laboratory
Widespread contagion, a deep bench of scientists and a robust vaccine-making infrastructure have made Brazil an important player in the quest to find a vaccine.
Moderna and Pfizer Begin Late-Stage Coronavirus Vaccine Trials
The studies each aim to enroll 30,000 people and determine whether the vaccines are safe and effective.
Oxford Covid Vaccine Among Those Developers Say Have Promising Initial Results
Early trials showed a good immune response in vaccinated subjects, but one researcher sounded a note of caution: “There is still a long way to go.”