What is a vaccine? Vaccine is a kind of biological agent that provides advance protection for future infections by stimulating and strengthening the receptor’s own immune system. Vaccines provide highly effective control of infectious diseases, and have been recently extended to applications in prevention and treatment for cancer, autoimmune diseases and other disorders. It is very important to develop and manufacture high-efficient and safe vaccines for biopharmaceutical companies. https://www.creative-biolabs.com/vaccine/vaccine-development-service.htm