The Conversation: Ventilation reduces the risk of infection: why are we still ignoring it?

At the end of the third year of the pandemic, we are no longer surprised to hear we’re in a new wave of infection. It’s fuelled by new sub-variants of the virus that may evade immunity from both vaccination and previous infections.

Authorities recommend control measures, but they are “voluntary”. They include wearing a mask, vaccination, testing if you have symptoms and staying home if you test positive, and ventilation. Ventilation is often the last measure listed – as if it’s an afterthought.

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