Building the evidence around risks and actions on thunderstorm asthma. MRC GW4 BioMed DTP PhD studentship 2025/26

Summary.

This project will focus on strengthening evidence to inform action on the emergent phenomenon of thunderstorm asthma. This refers to episodes of increased incidence of asthma exacerbations during thunderstorms, which has been observed internationally.

The research will focus on strengthening understanding of the current and likely future epidemiology of thunderstorm asthma under climate change scenarios, build understanding of the links to thunderstorm events, and the role of other potential exacerbating factors. It will inform development of public health advice to reduce risks.

Description Background

Thunderstorm asthma refers to episodes of increased incidence of asthma events during thunderstorms, which has been observed internationally. One of the best known cases was in Melbourne, Australia on 21st November 2016. This event is estimated to have resulted in >3000 excess attendances for respiratory symptoms at emergency departments (ED), and almost 500 additional admissions (Thien et al, 2018). Notably only around a quarter of ED attendances had current doctor-diagnosed asthma, meaning the impacts can occur across the general population.

Around 12% of the UK population has asthma and risks for those with this condition can be significant. UKHSA-led research showed a 5- to 6- fold increase in emergency department attendances for asthma linked to thunderstorm activity in summer 2021. Mechanisms leading to asthma attacks during these periods are not well understood, but likely include a mix of meteorological, environmental, and physiological factors. The occurrence of thunderstorms in the UK is likely to significantly increase under climate change.

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