Silver Book Fact
Vaccines in development 2013
Biopharmaceutical research companies are developing 271 vaccines for infectious diseases, cancer, neurological disorders, allergies, and other diseases.
Pharmaceutical Researchers and Manufacturers of America. Medicines in Development: Vaccines–A report in the prevention and treatment of disease through vaccines. Washington, D.C.: PhRMA; 2013. http://phrma.org/medicines-in-development-for-vaccines-2013