Merck & Co., Inc. 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%): for treating hypertension, osteoporosis, atherosclerosis, respiratory, bacterial and fungal, ophthalmologic, and urological diseases, acute migraine, hair loss in men, etc.;
- sale of vaccines (22.1%);
- sale of animal health products (9.4%);
- other (1.5%).
Net sales are distributed geographically as follows: the United States (47.4%), Europe/Middle East/Africa (22%), China (11.3%), Japan (5.3%), Asia/Pacific (5.4%), Latin America (5.1%) and other (3.5%).