https://www.reuters.com/article/us-health-coronavirus-delta-air-focus/delta-doubles-cabin-cleaners-in-pit-stop-revamp-buys-kits-to-test-for-germs-idUSKBN25K12K#:~:text=CHICAGO%20(Reuters)%20%2D%20Delta%20Air,process%2C%20an%20executive%20told%20Reuters.
