
Covid is Airborne: You’re breathing it in
A powerful short video explaining how COVID spreads through the air like smoke, highlighting why ventilation, clean air and respiratory protection matter.
Not all masks provide the same level of protection. This Masks 101 infographic explains the important differences between surgical masks and respirators and why a good seal matters for protection from airborne particles.
It also provides a useful overview of common respirator standards, including N95, KN95, KF94, FFP2 and FFP3, alongside different respirator shapes and filtration levels.


A powerful short video explaining how COVID spreads through the air like smoke, highlighting why ventilation, clean air and respiratory protection matter.

Explore this SHH-UK Research Summary of a study examining patient-reported symptoms and treatment experiences among nearly 4,000 people with Long COVID and ME/CFS.

N95 and KN95 respirators may look similar, but they are certified to different national standards. Both are designed to provide a high level of filtration, with each rated to filter at least 95% of specified test particles. (Smart Air)