PFIZER LIMITED
Pfizer Limited (Pfizer) is a global biopharmaceutical company engaged in the discovery, development, manufacturing, and marketing of innovative medicines and vaccines. Headquartered in the United States, Pfizer operates across various therapeutic areas, including oncology, immunology, rare diseases, and vaccines. The company is known for its extensive portfolio of prescription drugs and has made significant contributions to public health, notably through its research in mRNA technology, which culminated in the development of a COVID-19 vaccine.