Video of the test, which included an unidentified health worker walking him through the procedure, was streamed live on the British royal family's Facebook page.
"It is amazing how quick it is," the 31-year-old Harry said during his appointment at a London hospital.
The famously red-headed royal added: "So whether you're a man, woman, gay, straight, black or white — even ginger — why wouldn't you come and have a test?"
