Pfizer announced the initial manufacturing of Covid-19 vaccine will be held in Kalamazoo. Pfizer say, the vaccine is given to the first U.S. participants.
Companies are testing four vaccine candidates in single trial. The initial testing will have 360 healthy volunteers ain age of 18 to 55 and 65 to 85.
After successful trials, the manufacturing of vaccine will take place in Kalamazoo. The companies estimate they could produce millions of doses by the end of 2020.
Worldwide different companies in different nations are developing and have begun conducting trials – more than 80 are in preliminary phases.