Chickenpox Vaccine

The chickenpox vaccine is a vaccine that prevents the infectious disease chickenpox. It is a live attenuated form of the varicella-zoster virus, a type of herpes virus. The vaccine is made up of a weakened form of the virus, which stimulates the immune system to create immunity to the virus without causing infection. By being vaccinated, a person is protected from getting chickenpox and the serious complications that can occur from the disease. The chickenpox vaccine is an important part of preventive health care and is recommended for children, adolescents, and adults who have not had chickenpox.