“I switched from the surgical masks to the KN95 masks and found that I had an irritated and sore throat. I have stopped wearing them and have gone back to the surgical masks. I think the KN95 cause too much restriction in air flow and may damage the respiratory system with long term use.” AirDamageThroatRestrictionIrritatedMasksRespiratorySoreSurgicalKn95 Author:Steven Magee