EntityQ3425478· pop 6· linked from 9 articlesactive immunizationSign in to saveinduction of immunity after exposure to an antigen; can be natural or therapeuticConnectionsLouis PasteurEntityvaccineEntityEdward JennerEntityvaccinationEntitydigital object identifierEntityinfectionEntityepidemiologyEntityJonas SalkEntityantibodyEntityCOVID-19 vaccineEntityLyme diseaseEntityleptospirosisEntityQ180686EntityantigenEntityKatalin KarikóEntityBCG vaccineEntityPfizer–BioNTech COVID-19 vaccineEntityJohn Franklin EndersEntitymeasles vaccineEntityQ229883EntityCategoriesVaccination