India, April 18 -- A video is making waves online after revealing just how dirty airplane seats and their surrounding surfaces can be, reported the New York Post. In a clip that has since gone viral, content creator @HowDirtyIs conducted a swab test on a Southwest Airlines flight, collecting samples from the seat's armrest, tray table, window shade, and safety manual.

"How dirty is a wee flight?" the creator asked in the video caption, which showed him gathering the swabs before sending them off to a lab for testing.

The samples revealed high levels of bacteria, significantly more than what he found during a previous experiment on airport gate seating at New York City's LaGuardia Airport. That earlier test had shown only a few "skin bug...