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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, Massachusetts Research Site front entrance
Andover, Massachusetts
A 70-acre site that combines state-of-the-art R&D facilities with flexible, multi-product manufacturing capabilities
Cambridge, Massachusetts Research Site building
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, Connecticut Research Site front Pfizer signage
Groton, Connecticut
Where nearly every one of our products are, in part, developed
La Jolla, California Research Site front entrance
La Jolla, California
Powerfully reinforcing the company's presence in the global biotechnology industry
Pearl River, New York Research Site campus aerial view
Pearl River, New York
The primary location for our company’s global Vaccine Research and Development work
Sandwich, UK Research Site building front
Sandwich, UK
Home of the Pharmaceutical Sciences and Global Regulatory Affairs groups
St. Louis, MO Research Site front entrance
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 Details
Science & Innovation

Viral vs Bacterial Infections: Different Pathogens, Different Approaches

Learn about the key differences between viral and bacterial infections and the innovative prevention and treatment options being worked on for each type.
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Science & Innovation

Pharma Peers Unite to Build DNA-Encoded Libraries

Scientists build a library of millions or billions of compounds, each tagged with a unique DNA “barcode.” They are tasked with exploring DNA-encoded libraries technology, DELs, to help accelerate the earliest stages of drug discovery.
Pfizer scientists stacking books cartoon art thumbnail
Living & Wellbeing

Caregiver Support: A Guide to Self-Care for Caregivers

Learn how caregivers can care for themselves so they can better care for others.
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