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Community vaccination: campaigns, house-to-house vaccination and rapid coverage monitoring

  • Safe practice

Outside the clinic, the nurse plans and runs vaccination days and house-to-house sweeps, records every person found and checks that nobody was missed.

Updated

What it is

Routine vaccination at the health post is not enough when coverage is low, when a vaccine-preventable outbreak appears or when the target population is unknown. Colombia's PAI uses intensive extramural vaccination (campaigns and national vaccination days), blocking vaccination around a case and the documented sweep (barrido documentado): a visit to every house of the area to find the target population, identify who is vaccinated and who is not, and vaccinate those who are missing. The sweep records every person found, vaccinated or not, and the reasons for not vaccinating. Rapid coverage monitoring, developed by PAHO, is a supervision tool: teams visit high-risk areas looking for unvaccinated people; if they find them, they go back and vaccinate. It does not use a probability sample, so it validates coverage but does not measure it.

What it requires

  • Micro-planning: map of the area, target population by age, high-risk variables and a work calendar.
  • Vaccines, supplies and a cold chain maintained throughout the field work.
  • Trained vaccination teams applying safe vaccination practices and waste disposal.
  • The sweep form and the vaccination information system for same-day recording.

Components

  • Planning: choose the area, estimate population, staff, vaccines and logistics.
  • Social mobilisation and community participation.
  • Execution: house-to-house visits, card checks and vaccination.
  • Recording: houses, people, vaccinated, not vaccinated and reasons.
  • Monitoring and decisions: rapid monitoring, return visits and corrective measures.

How it is applied (and why)

  1. Prepare the area map and target population, and set a clear starting point — the sweep must cover every house.
  2. Coordinate with leaders and announce the visit days ahead — families are at home and have their cards ready.
  3. Check the cold chain and supplies before going out and during the day — the cold chain is an essential element of extramural service.
  4. Visit every house and classify it with the standard categories — the classification shows whether the sweep was complete.
  5. Check the card of every person in the target age group and record vaccinated and unvaccinated — the list corrects the denominator.
  6. Vaccinate those who need it after informing them, and record the dose the same day — a dose not recorded is a lost dose.
  7. Record the reason for not vaccinating (illness, refusal, absence) — reasons guide return visits and communication.
  8. Ask about people with symptoms of the event in each house — vaccination and active case search go together.
  9. Return to houses that were closed or refused and run rapid monitoring at the end — missing pockets keep transmission alive.

In nursing practice

  • Listen to the reasons for hesitancy and answer with accurate information, without pressure.
  • Use each visit to check other actions of the health route (growth, prenatal care, screening).
  • In border areas, migration corridors and hard-to-reach areas the sweep is especially useful.
  • Apply safe vaccination practices and the institutional protocol for any event after vaccination.

Common mistakes

  • Recording only the people vaccinated during the sweep and not those found already vaccinated or unvaccinated.
  • Presenting rapid monitoring results as the real coverage of the municipality.
  • Skipping closed houses without returning.
  • Leaving the cold box open or in the sun during the visits.

Test yourself

Think of the answer, then tap the question to see it.

What are the three aims of a documented vaccination sweep?

To search for the target population, identify who is vaccinated and who is not, and capture and vaccinate those who are missing.

Can rapid coverage monitoring replace a coverage survey?

No. It does not use a probability sample, so it validates coverage and finds poorly covered areas but cannot give a statistically valid coverage estimate.

What is blocking vaccination?

Intensified vaccination, mainly house to house, around a suspected or confirmed case and in nearby high-risk areas, to interrupt transmission quickly.

Why must a sweep record people who refused or were not vaccinated?

Because the sweep records the whole target population; the reasons for not vaccinating guide return visits and communication.

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Educational content for students; it does not replace your institution's protocols, supervised clinical training or a prescriber's order. Dose-calculation examples use made-up numbers: they are educational, not a clinical order.

Sources: Lineamiento barrido documentado para brotes de enfermedades prevenibles (Ministerio de Salud y Protección Social, Colombia, 2025); Use and abuse of rapid monitoring to assess coverage during mass vaccination campaigns (Luman ET et al., Bulletin of the World Health Organization 85(9)) (World Health Organization / PubMed Central, 2007); Resolución 119 de 2026 adopta el Plan Nacional de Eliminación y Sostenimiento de la Eliminación de Enfermedades Transmisibles (Ministerio de Salud y Protección Social, Colombia, 2026).

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Representative model, for educational purposes only.