https://www.news-medical.net/news/20160112/AlerSense-develops-worlds-first-smart-airborne-allergy-and-asthma-early-warning-system.aspx
AlerSense develops world's first smart airborne allergy and asthma early warning system
Jun 20, 2019 - AlerSense Incorporated has created the world's first smart airborne allergy and asthma early warning system alerting consumers as particles and toxins build....
allergy and asthma