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Disease & Epidemiology Intelligence

Epidemiology Trends 2026

The disease curves reshaping pharma demand.

The five epidemiology trends every pharma strategy team should be modeling — aging, NCD acceleration, AMR, climate-linked disease and post-pandemic respiratory patterns.

Decision angle

"Which long-horizon disease curves should reshape our portfolio bets?"

TL;DR

The 2026–2035 disease curve is dominated by aging, NCDs, AMR and climate-linked vector spread. Forecasts that ignore these structural shifts under-call demand by 20–40% for affected TAs.

Long-horizon disease trends are the most under-used input to pharma portfolio strategy. Most teams model a 5-year forecast off current epidemiology and miss the 10–20 year curves that compound disease demand.

Five curves to track

Aging, NCD acceleration, AMR, climate-linked disease and mental-health prevalence are the five durable drivers. Each compounds slowly, but each materially shifts forecast assumptions for at least one major TA.

Translate trends into portfolio decisions

The output of an epi-trends view is not a slide — it is a set of multipliers applied to TA forecasts in the live opportunity model. That is how trends turn into defensible portfolio bets.

Key insights

What we’re seeing in the data.

01

Aging compounds NCD demand

Cardio-renal-metabolic, oncology and CNS demand all scale with the over-60 cohort.

02

AMR is the slow-moving crisis

Antimicrobial resistance materially raises hospital length-of-stay and drives novel-antibiotic policy.

03

Climate shifts vector disease maps

Dengue, malaria and respiratory disease distributions move with temperature and humidity.

04

Mental-health prevalence still rising

Post-pandemic mental-health prevalence remains elevated, especially adolescent.

20%+
Pop over 60 by 2035
WHO
10M
AMR deaths/yr 2050
Forecast
25%
NCD share of growth
GBD
5
Macro epi drivers
Tracked
Decision framework

How to think about it.

  1. 01

    Anchor on long-horizon population data

    UN, WHO, IHME GBD.

  2. 02

    Layer NCD acceleration

    CV, cancer, diabetes, CKD, dementia.

  3. 03

    Track disruptive curves

    AMR, climate-linked disease, mental health.

  4. 04

    Model interaction effects

    Comorbidity overlap inflates apparent prevalence — adjust.

  5. 05

    Translate into TA-level forecast

    Push every trend into the relevant TA model.

Considerations

What separates a good answer from a defensible one.

Long-horizon uncertainty

Use ranges, not single-point forecasts.

Geographic variation

Aging skews — Japan, Italy, Korea fastest.

Diagnostic capacity

Diagnosis improvement can outpace prevalence — both matter.

Policy intervention

Vaccination, lifestyle policy and screening change curves.

Sources & tools

Where the signal comes from.

IHME GBD UN World Population Prospects WHO Global Burden of Disease AMR surveillance datasets
FAQ

Common questions.

How far out is realistic to forecast?

10 years with confidence; 20 years with explicit uncertainty bands. Beyond that, scenario rather than forecast.

Which trends move fastest?

AMR and climate-linked vector disease — slower than aging, but trajectory is steeper relative to baseline.

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