massimmunization
Mass immunization refers to large-scale vaccination efforts designed to rapidly raise immunity in a population and interrupt transmission of infectious diseases. It is typically conducted through campaigns or intensified activity and is distinct from routine immunization, which is ongoing and integrated into primary health services.
Campaigns aim to close immunity gaps and may target children, specific age groups, or entire communities. Strategies
Planning covers objectives, vaccine selection, target population estimates, supply chain readiness, cold chain maintenance, staffing, training,
Benefits include rapid reduction in disease incidence, protection of vulnerable groups, and progress toward elimination or
Common challenges include vaccine hesitancy, logistical and funding constraints, supply chain disruptions, geographic or urban–rural access