Early childhood immunization Find information on immunization/vaccines and more. Immunization For allSan Francisco - Free or Low Cost Vaccines For child care settings Shots for SchoolCalifornia Immunization RegistryVaccine Acronyms and AbbreviationsNames of Vaccine Used in U.S. and Foreign MarketsVaccines Communication and Print Resources (Posters, Podcast, Factsheets) Last updated April 24, 2024