They could also wear surgical masks, which are only about 50 to 80% effective at filtering out droplets. If passengers are traveling without a vacant middle seat, it might be crucial for all to be wearing an N95 mask to reduce the risk of transmission. But our research shows that they are slightly less effective than that because they are not a perfect fit on all human faces. N95 respirator masks filter out about 90% of large and small air-borne droplets. However, the effectiveness of the measure is closely linked to the use of face masks. Is leaving the middle seat open an effective measure?Ĭhen I think leaving a middle seat empty can reduce the risk of transmission. During that time, small droplets can travel to passengers seated in the same row, and if they’re carrying the virus, they can make them sick. With current aircraft cabin ventilation systems, small droplets can stay in the cabin for about four minutes before they can be extracted by the air-conditioning system. Studies show small droplets can be air-borne in the aircraft cabin from several minutes to several hours if passengers cough or talk. There is also the risk of transmission if, say, an infected passenger coughs into their hand and then shakes another person’s hand without hand-washing. In an air cabin, these can land on surfaces like arm rests, tray tables, and seat bags, putting passengers at risk of getting sick – if they touch droplets from a person infected with coronavirus. Large droplets, expelled by coughing, can travel up to 6ft. Qingyan Chen The coronavirus can be transmitted by respiratory droplets, which can be classified as large and small. What must they know if they do decide to get on an airplane, and what can they expect at the airport? What are the risks of transmission when it comes to air travel? But in the absence of a coronavirus vaccine, cure, or uniformly-implemented health and safety guidelines, travelers are bound to contemplate the risks of air travel.
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