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4 articles
Open prescribing data offer one of the most granular views of long-term illness in the UK, but they record treatment rather than diagnosis. This guide explains how to read repeat prescriptions for statins, inhalers, antidepressants and diabetes drugs without mistaking the pharmacy ledger for a disease register.
Wastewater sampling can detect influenza, RSV, norovirus and SARS-CoV-2 before clinical testing climbs—but a rising signal is not an outbreak. As the UK enters the 2026 winter respiratory season, we explain how sewage surveillance works, where interpretation falters, and how public-health teams decide when to act.
Interactive maps of neighbourhood-level disease, deprivation and service use are now published in abundance. This sceptical field guide explains how to read them properly — why small numbers wobble, why registers are not populations, and which questions to ask before concluding anything about a postcode's health in 2026.
Anonymised NHS records are used to spot diabetes hotspots, track mental-health prescribing and plan services. This explainer sets out seven signals worth watching in 2026—and the safeguards and limits that shape what the numbers can reasonably tell us.