For more than 135 years, Pfizer colleagues in Kalamazoo, Michigan, have been manufacturing breakthrough medicines that have had profound impacts on the world. From mass-producing penicillin during World War II to manufacturing nearly one billion vaccine doses in the fight against COVID-19, the Kalamazoo site has played a key role in changing not only the course of medical treatment at times when it's been needed most – but the course of history itself.
