Covid pandemic has focused attention to the importance of healthy indoor air

Indoor air is full of flu and COVID viruses. Will countries clean it up? Nature - The current pandemic has focused attention to the importance of healthy indoor air and could spur lasting improvements to the air we breathe. Lewis, Dyani nature

...

Specialists in indoor air quality are buoyed by the prospect that the pandemic could bring lasting improvements to the air we breathe indoors. The SARS-CoV-2 virus that causes COVID-19 is spread mainly in indoor spaces, as are the pathogens that lead to other infectious diseases, such as chicken pox, measles, tuberculosis and seasonal influenza. ...tralia.

But huge challenges lie ahead, particularly for the existing stock of schools, office buildings and other public venues. Retrofitting them with the technology to deliver clean air at sufficient levels will be an immense — and costly — undertaking, say experts in this field. But, they argue, the benefits would outweigh the costs