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Pfizer is a research-based biopharmaceutical company that discovers, develops, manufactures, and supplies medicines and vaccines. Its global portfolio spans prescription therapies and vaccines across multiple areas of healthcare, and the company also has consumer health products. Pfizer’s corporate pages describe its work in research and development, manufacturing, and collaboration with healthcare providers and public institutions. The company provides product information, investor resources, and background on its history and purpose through its official website. Patients and healthcare professionals should consult official product labeling and qualified medical providers for guidance on any specific medicine or vaccine.