KSI has tested positive with Covid-19 despite bragging that he would never catch the virus 38 hours prior.The 28-year-old, whose real name is Olajide Olayinka Williams JJ Olatunji, took to his social media platform to share images of two positive lateral flow tests.Alongside the images, he captioned the posts "mad ting".KSI's diagnosis comes 38 hours after he took to Twitter to tell his legions of fans that he would never have coronavirus.On December 14 the Youtuber posted on his socials: "On a real though, how have I never had covid?", followed by "I will never get covid" six minutes later.Since then KSI has updated his fans on his experiences of having the virus, as well as promoting his YouTube group Sidemen's new vodka.In a recorded.