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Case study · Health · National

A national first: AI put to work on vaccination cohorts.

For the national digital body of a health service, working out who should be called for vaccination, and in what order, was a population-scale task done largely by hand. Scout built and took live a supervised machine-learning service that identifies vaccination cohorts across the population in a fraction of the previous time, with every output explainable for clinical review and an accuracy threshold agreed with clinical governance before anything went live.

The figures

What the engagement delivered, in numbers.

National first

The first service in its health system to use AI for vaccination cohort grouping, live in the operational estate.

Population scale

Cohorts identified across the whole population in a fraction of the previous manual time.

Clinically governed

An accuracy threshold agreed with clinical governance and met before go-live; explainability built into every output so a clinician can see why.

Time-bound

A time-bound specialist team on a client-owned platform, with exit criteria tied to the clinical-governance thresholds.

How the engagement ran
01
Where they started

A national task done by hand.

Deciding who is eligible for a vaccination programme, and when they should be called, meant working through population-scale data with rules that change by programme and by year. It took time, relied on a small number of experienced people, and individual decisions were hard to evidence afterwards.

What this shows

What this shows

AI in health earns its place by being explainable and by meeting the bar clinicians set.

A time-bound specialist team on a client-owned platform is the right shape when the capability has to stay with the organisation.

The pattern, supervised learning with explainability and a governance threshold agreed up front, transfers to any programme where the rules are known and the stakes are high.

“Identifying who to call for vaccination, and in what order, was a national task done largely by hand. We agreed the accuracy bar with clinical governance before anything was built, and the service met it before it went live. Every output can be explained to a clinician, and the decision still sits with a person.”

Head of Data

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