Beyond the relaxation of some pandemic cleaning protocols, airlines are also dealing with staffing shortages that have strained cleaning staff amid soaring demand.
Are planes dirtier these days? Yes, say experts harvard.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from harvard.edu Daily Mail and Mail on Sunday newspapers.
Airplane filters that remove 99% of particles help keep COVID-19 transmission low but won t eliminate the risk that face masks helped mitigate, experts say.