Boarding passengers seated at the back of the aircraft first -- a Covid-era change by Delta Air Lines Inc. and others to cut the risk of infection -- actually increases the chance of catching the...
source https://www.ndtv.com/world-news/covid-risk-rises-50-if-passengers-board-planes-back-to-front-study-2423281
source https://www.ndtv.com/world-news/covid-risk-rises-50-if-passengers-board-planes-back-to-front-study-2423281
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