Merck & Co., Inc. operates as a leading healthcare company worldwide, specializing in the research, development, and commercialization of innovative pharmaceutical products and vaccines. Its portfolio features prominent human health pharmaceuticals such as Keytruda for oncology treatments, Welireg for specific cancer therapies, and Gardasil for HPV prevention. The company also provides a robust lineup of vaccines including ProQuad, M-M-R II, Varivax, Vaxneuvance, Capvaxive, RotaTeq, and Pneumovax 23, addressing infectious diseases across age groups. Additional offerings include Bridion for surgical care. Merck & Co., Inc. focuses on key therapeutic areas like oncology, vaccines, hospital acute care, and immunology, serving patients, healthcare providers, and global health systems. Through its operations, the company plays a vital role in advancing treatments for serious diseases and preventive health measures. Founded in 1891 and headquartered in Rahway, New Jersey, Merck & Co., Inc. maintains a strong presence in the biopharmaceutical sector, contributing to global health solutions.