50
Participants
Start Date
September 3, 2019
Primary Completion Date
July 21, 2021
Study Completion Date
July 21, 2021
Dyson Pure Cool - Active Purifier
Free standing air purifier
Dyson Pure Cool - Placebo purifier
Placebo air purifier
The David Hide Asthma and Allergy Research Centre, Newport
Isle of Wight NHS Trust
OTHER
The David Hide Asthma & Allergy Research Centre
OTHER