Covid measures metaphor

Covid measures metaphor: Think of each measure (masks, distance, limiting crowds, ventilation, etc.) as a slice of Swiss cheese. Sure, there are holes in each slice, but you stack them together and they cover each other’s gaps.

A Swiss cheese approach to pandemic safety

Also, a nice visual display of how coronavirus spreads in indoor scenarios and how different actions reduce the risk.

A room, a bar and a classroom: how the coronavirus is spread through the air

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