Merck and Company specializes in the development, production, and marketing of therapeutic products and vaccines sold under prescription. Net sales break down by activity as follows:
- sale of pharmaceutical products (67.1%): for treating hypertension, osteoporosis, atherosclerosis, respiratory, bacterial and fungal, ophthalmologic, and urological diseases, acute migraine, hair loss in men, etc.;
- sale of vaccines (10%);
- other (22.9%).
Net sales break down geographically as follows: the United States (43.1%), Europe-Middle East-Africa (27.5%), Japan (10.8%) and other (18.6%).