Merck & Co., Inc. provides health care solutions worldwide. The company offer therapeutic and preventive agents to treat cardiovascular, type 2 diabetes, asthma, nasal allergy symptoms, allergic rhinitis, chronic hepatitis C virus, HIV-1 infection, fungal infections, intra-abdominal infections, hypertension, arthritis and pain, inflammatory, osteoporosis, male pattern hair loss, and fertility diseases. It also offers neuromuscular blocking agents for use in surgery; anti-bacterial products for skin and skin structure infections; antidepressants; ophthalmic and cholesterol modification products; non-sedating antihistamine; and vaginal contraceptive implants. In addition, the company provides products to prevent chemotherapy-induced and post-operative nausea and vomiting; to treat brain tumors and melanoma; to prevent diseases caused by human papillomavirus, as well as vaccines for measles, mumps, rubella, varicella, chickenpox, shingles, rotavirus gastroenteritis, and pneumococcal diseases. Further, it offers antibiotic and anti-inflammatory drugs to treat infectious and respiratory diseases, fertility disorders, and pneumonia in cattle, horses, and swine; vaccines for poultry; parasiticide for sea lice in salmon; and antibiotics for, and vaccines against bacterial and viral disease in fish. Additionally, the company provides companion animal products, such as diabetes mellitus treatment drugs and vaccines for dogs and cats; ointments for acute and chronic otitis; anthelmintic products; chewable tablets to kill fleas and ticks in dogs; and products for protection against bites from fleas, ticks, mosquitoes, and sandflies. The company serves drug wholesalers and retailers, hospitals, government entities and agencies, physicians, physician distributors, veterinarians, distributors, animal producers, and managed health care providers. It has a strategic collaboration with Bionomics Limited. The company was founded in 1891 and is headquartered in Kenilworth, New Jersey.