Home Aviation Feature Harry S. Johnson·Aviation Feature·January 12, 2021United Airlines receives hospital-grade certification for cleaning and safety Recognition from APEX and SimpliFlying underscores that United will continue to innovate and raise the standard when it comes to preventing the spread of COVID-19 Continue reading United Airlines receives hospital-grade certification for cleaning and safety at eTurboNews | Trends | Travel News Online. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Like this:Like Loading... Related