Poor ventilation promotes the spread of the virus.
This has been shown by a study observing its diffusion in the room of a Chinese restaurant. The air flow was found to be in strong consistency with its transmission model. Ten people, among the families who took their meals, had been infected, while they were more than 4.5 m from each other, without physical contact. On the other hand, it is obvious that good ventilation has the opposite effect. Walking outside, with your nose in the wind, by the sea, exposes you to zero risk!
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