MRK vs ZTS

Merck & Company Inc.

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health segments. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, diabetes, and women's health, as well as vaccine products. The Animal Health segment provides discovers, develops, manufactures, and markets a range of veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as a suite of digitally connected identification, traceability, and monitoring products. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; and Ridgeback Biotherapeutics. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaboration agreement with Gilead Sciences, Inc. to co-develop and co-commercialize long-acting investigational treatment combinations of Lenacapavir and Islatravir in HIV; Amathus Therapeutics to develop treatments for neurodegenerative diseases; and Linnaeus Therapeutics, Inc. to evaluate LNS8801 in combination with KEYTRUDA for patients with advanced cancer. It also has a collaboration with Biomed X Gmbh for building on ongoing research projects in the fields of oncology (DNA damage response and RNA splicing) and autoimmunity (intestinal epithelial barrier in autoimmune diseases); and a collaboration agreement with NGM Biopharmaceuticals, Inc. to focus primarily on the development of novel medicines for unmet patient needs in retinal and CVM diseases, including heart failure. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

Zoetis Inc.

Zoetis Inc. discovers, develops, manufactures, and commercializes animal health medicines, vaccines, and diagnostic products in the United States and internationally. It commercializes products primarily across species, including livestock, such as cattle, swine, poultry, fish, and sheep; and companion animals comprising dogs, cats, and horses. The company offers vaccines, which are biological preparations to prevent diseases of the respiratory, gastrointestinal, and reproductive tracts or induce a specific immune response; anti-infectives that prevent, kill, or slow the growth of bacteria, fungi, or protozoa; and parasiticides that prevent or eliminate external and internal parasites that include fleas, ticks, and worms. It also provides other pharmaceutical products, which comprise pain and sedation, antiemetic, reproductive, and oncology products; dermatology products for itch associated with allergic conditions and atopic dermatitis; and medicated feed additives that offer medicines to livestock. In addition, the company offers portable blood and urine analysis systems, and point-of-care diagnostic products, including instruments and reagents, rapid immunoassay tests, reference laboratory kits, blood glucose monitors, and laboratory services; and other non-pharmaceutical products, including nutritionals and agribusiness services, as well as products and services in areas, such as biodevices, genetics tests, and precision livestock farming. It markets its products to veterinarians, livestock producers, and retail outlets, as well as third-party veterinary distributors through its sales representatives, and technical and veterinary operations specialists. The company was founded in 1952 and is headquartered in Parsippany, New Jersey.