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Each of our R&D centers specializes in a different area of scientific exploration. We have several major campuses located throughout the U.S. and U.K.

Andover
Andover, Massachusetts
A 70-acre site that combines state-of-the-art R&D facilities with flexible, multi-product manufacturing capabilities
boulder
Boulder, Colorado
An expert in small molecule drug discovery with a focus on developing innovative cancer therapeutics
Cambridge
Cambridge, Massachusetts
Global headquarters for our Center for Therapeutic Innovation (CTI), which has established locations in New York City, San Diego, and San Francisco
Groton
Groton, Connecticut
Where nearly every one of our products are, in part, developed
lajolla
La Jolla, California
Powerfully reinforcing the company's presence in the global biotechnology industry
Pearl River
Pearl River, New York
The primary location for our company’s global Vaccine Research and Development work
Sandwich
Sandwich, UK
Home of the Pharmaceutical Sciences and Global Regulatory Affairs groups
st.louis
St. Louis, MO
A 300,000 sq. ft. facility producing innovative emergency care products that serve unique needs during severe medical crises
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Learn more about the process of joining a clinical trial and find a trial near you.

Go to Pfizer Clinical Trials Site
Your Health

Skipped Childhood Immunizations Could Lead to Resurgence of Vaccine-Preventable Diseases 

Childhood vaccination rates dropped drastically during the COVID-19 pandemic, and it could potentially mean a resurgence of diseases we've long had under control.

Skipped Childhood Immunizations Could Lead to Resurgence of Vaccine-Preventable Diseases 
Your Health

Addressing Disproportionate Childhood Vaccination

Vaccines for children should be available and accessible to all.

Addressing Disproportionate Childhood Vaccination
Science

How Does a Protease Inhibitor Work

The FDA has authorized Pfizer’s COVID-19 oral treatment for emergency use.

How Does a Protease Inhibitor Work