Dr. Madhukar Pai, Professor at the Department of Epidemiology, Biostatistics and Occupational Health and past McGill Global Health Programs Director co-authored a The Hindu piece.
"COVID-19 is an airborne disease, and the latest Omicron variant of SARS-CoV-2 is the most transmissible thus far. While vaccination is effective in reducing the risk of hospitalisation and death, awareness of risky situations and taking precautions like wearing masks and ensuring ventilation or air purification can reduce your risk of catching the virus. In our previous article published in The Hindu on January 10, we discussed the best masks and mask-wearing practices. Here, we expand on ventilation and air filtration."