Health: National Immunization Program Fact Sheets

"In the U.S., vaccines have reduced or eliminated many infectious diseases that once routinely killed or harmed many infants, children, and adults. However, the viruses and bacteria that cause vaccine-preventable disease and death still exist and can be passed on to people who are not protected by vaccines." -- from the website. <http://www.cdc.gov/nip/publications/fs/fs-list.htm>