Extract
Exposures to pollen and air pollutants commonly occur simultaneously and have been linked to eliciting or exacerbating the allergic response in susceptible individuals [1, 2]. The risk of co-exposure was recently confirmed in a study from Copenhagen, Denmark [3] indicating that pollen and ozone concentration peaks coincide both diurnally and seasonally. Ozone exposures are able to prime the airways and exacerbate respiratory symptoms [4]. However, this effect is debated, especially regarding lower and more commonly naturally occurring exposures [5, 6].
Abstract
Exposure to low, naturally occurring, levels of ozone do not alter the bronchial response profile to pollen allergen, or lower the PD20 in atopic individuals, estimated by applying a novel non-linear model approach http://bit.ly/2XQjzwI
Footnotes
This study is registered as a clinical trial by the Scientific Ethics Committee for Central Denmark Region (M-20090215). No data sharing provision has been made for this trial.
Conflict of interest: P.V. Ørby has nothing to disclose.
Conflict of interest: J.H. Bønløkke has nothing to disclose.
Conflict of interest: B.M Bibby has nothing to disclose.
Conflict of interest: P. Ravn has nothing to disclose.
Conflict of interest: O. Hertel has nothing to disclose.
Conflict of interest: T. Sigsgaard has nothing to disclose.
Conflict of interest: V. Schlünssen has nothing to disclose.
- Received November 23, 2017.
- Accepted April 15, 2019.
- Copyright ©ERS 2019