The invention is a simple face mask in which a specially made part is fixed, which is a heat radiating system using heat element with a battery management system(BMS). Anyone can wear this mask and breathe the hot air for around 30 minutes a day and one can be rest assured one will have no fear of any Covid.
Read more at: https://www.onmanorama.com/lifestyle/health/2020/11/13/covid-at-bay-hot-air-inhaler-kerala-man.html