Health
Low humidity increases COVID risk; another reason to wear – Mirage News
Professor Michael Ward says we could face increased risks of coronavirus community transmission when humidity is low or when the air is drier. …
Masks can help protect against the spread of aerosols. Image: Pixabay
Professor Ward said there are biological reasons why humidity matters in transmission of airborne viruses.
“When the humidity is lower, the air is drier and it makes the aerosols smaller,” he said, adding that aerosols are smaller than droplets. “When you sneeze and cough those smaller infectious aerosols can stay suspended in the air for longer. That increases the exposure for other people. When the air is humid and the aer…
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