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Beyond seasonal suffering: Effects of Pollen on Cardiorespiratory Health and Allergies

Project description

Impact of pollen on cardiorespiratory health

Scientists are researching the influence of a changing climate on pollen production and allergic diseases. It is not yet understood whether high pollen concentrations are related to the increase of respiratory and cardiovascular disease cases resulting in long hospitalisations or even death. The EU-funded EPOCHAL project will apply machine learning techniques to investigate how short-term exposure to pollen is associated with allergic symptoms, hospitalisation and death. The project will exploit a network of 14 pollen measurement stations in Switzerland and use available health datasets and systematic data collection methods. Taking into consideration variations in air pollution and weather conditions, it will also investigate the population effects of pollen as well as individual sensitivity.

Objective

As climate change increases the duration and intensity of the pollen season, allergies to airborne pollen are increasingly common in Europe. Yet, it is not well recognized that high pollen concentrations may increase respiratory and cardiovascular events, leading to mortality and excess hospitalizations. I aim to investigate how short-term exposure to pollen is related to mortality, hospitalization and allergic symptoms, both on its own and synergistically with air pollution and weather.
I will develop spatiotemporal exposure models of pollen for the years 2003-2022 based on a network of 14 pollen measurements stations in Switzerland. Taking advantage of large, real-world datasets without selection bias (Swiss National Cohort) and the efficient case-crossover study design, I will investigate the population effects of pollen on daily respiratory and cardiovascular mortality and hospitalization, also accounting for variation in air pollution and weather conditions. To explore individual sensitivity, I will conduct repeated measurements of lung function and airway inflammation in a dedicated panel of 400 allergic patients complemented with opportunistic repeated accounts of self-reported symptoms from the “e-symptoms” app by Swiss Allergy Centre. To provide personalized prevention recommendations and enhance quality of life for the allergic population, I will derive exposure-response relationships based on prevalent pollen, air pollution and weather triggers and individual symptom reports, allowing me to ultimately forecast symptom severity using machine learning techniques.
This highly innovative project utilizes available nationwide health datasets and systematic novel data collection methods (in the in-depth panel study), to better understand the role of pollen in respiratory and cardiovascular diseases at both personalized and population levels. The project will prevent and reduce health effects due to pollen, which constitute a large burden on health and economy.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

ERC-STG - Starting Grant

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Call for proposal

(opens in new window) ERC-2019-STG

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Host institution

SCHWEIZERISCHES TROPEN UND PUBLIC HEALTH INSTITUT
Net EU contribution
€ 1 381 931,50
Address
KREUZSTRASSE 2
4123 Allschwil
Switzerland
Region
Schweiz/Suisse/Svizzera Nordwestschweiz Basel-Landschaft
Activity type
Research Organisations
Links
Total cost
€ 1 381 931,50

Beneficiaries (1)