An organized public health effort to vaccinate a large share of a population within a defined period, used both to raise routine immunization coverage and to respond to an active outbreak. Mass vaccination against smallpox is credited as the mechanism that made its 1980 eradication possible.
Facts
Classification
Practice ClassPreventive or Public Health Practice 1 Practice ClassPublic health, immunization 1 Connections
Associated With
Source Encyclopedia Britannica
Source World Health Organization Official Site
Source Encyclopedia Britannica
Source World Health Organization Official Site
In Branch
Source World Health Organization Official Site
Sources
1. World Health Organization Official Site
World Health OrganizationImmunization coverage fact sheet
During 2025, about 85% of infants worldwide (110 million) received 3 doses of diphtheria-tetanus-pertussis (DTP3) vaccine, protecting them against infectious diseases that can cause serious illness and disability or be fatal.
Program classification, entity description sentence
An organized public health effort to vaccinate a large share of a population within a defined period, used both to raise routine immunization coverage and to respond to an active outbreak.
- In Branch: Public Health
- Associated With: Herd Immunity
- Associated With: Smallpox Eradication
View the Source Encyclopedia Britannica
Encyclopedia Britannica, Inc.- Associated With: Gavi, the Vaccine Alliance
- Associated With: Launch of Mass Polio Vaccination, Polio vaccine
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