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Vaccine
A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and keep a record of it, so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters.

Vaccine Type
Vaccines are dead or inactivated organisms or purified products derived from them.
There are several types of vaccines in use.These represent different strategies used to try to reduce risk of illness, while retaining the ability to induce a beneficial immune response.

Human papilloma virus (HPV) vaccines
Human papilloma virus (HPV) vaccines may prevent infections by certain types of human papillomavirus associated with the development of cervical cancer, genital warts, and other cancers.The World Health Organization (WHO),as well as public health officials in Australia, Canada, Europe, and the United States recommend vaccination of young women against HPV.HPV vaccination is also effective in males to protect their partners from HPV infections, as well as themselves from anal cancer and genital warts, and possibly other HPV associated cancers.

The Journey of Your Child's Vaccine
Infographic: How Vacccines Are Development, Approved and Manufactured. More...