Annual Review of Virology: How moist should air be to protect people against COVID-19?

April 1, 2020  09:43

With a relative humidity of 40-60%, new coronavirus is transmitted from patients to healthy ones much less frequently than in conditions of lower or higher humidity, said scientists from Yale University (USA).

The results of a new study were published on Annual Review of Virology.

Mouse experiments have shown that mice kept at 50% relative humidity were also able to clear an inhaled virus and mount robust immune responses. But dry cold air contributes to an increase in the incidence of COVID-19.

According to scientists, the study lets people track the relationship between weather and the spread of the disease.

To protect against coronavirus, experts recommend using humidifiers in the winter and avoiding cramped and poorly ventilated rooms.

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