Fury was forced to pull out of their July 24 fight date in Las Vegas after contracting covid in his training camp, with a number of members of his team also getting sick.
But Wilder has pushed a conspiracy that the world heavyweight champion wanted to delay the fight, so he faked the illness.
And Fury’s promoter Arum has hit back at the former champion, saying that a commission doctor diagnosed his fighter with the disease.
“I don’t know what [Wilder] believes or what he doesn’t believe,” Arum said to Boxing Scene.
“But what he should at least look into is the fact that once Fury got COVID, he immediately contacted the commission, or somebody did, and the commission doctors examined him and diagnosed him with COVID.
“So, what the f*** is Wilder talking about? I mean, it isn’t like a fighter is out and says, ‘I need a postponement because I sprained my leg jogging.’
“Then there’s always questions. ‘Was he really hurt?’ Blah, blah, blah.
“But here, it’s something that is completely able to be checked out with the commission.
“So, why should he believe me, Wilder? He shouldn’t. Why should he believe Fury? If he doesn’t want, he shouldn’t.
“But check it out with the commission that has no motive at all to lie.”
Fury’s coach Andy Lee and sparring partner Efe Ajegba were both diagnosed with the virus as well, but Wilder isn’t convinced.
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The ex-champion has made a number of outlandish claims about Fury since their February 2020 rematch, and this is the latest in a long string of theories.
Fury comfortably beat Wilder within seven rounds of their rematch after outboxing him in their initial bout, which was scored a draw.
“I’m just tired of the lies,” Wilder said in an interview with 78SPORTSTV. “That’s all it is, lies.
“That’s what I believe – and a lot of other people do too – the whole world believes it’s nothing but lies and it really sickens me to hear that because so many people have died of COVID.
“People I know have had family members to die of it, to hear others using this as an excuse to get out of something is just horrible man.
“May they burn in hell for that. Especially for something like this.
“The dude said he had COVID, then the next minute you see him in so many different places, it’s just ridiculous.
“He’s been trying to run away from me since July of last year, he’s paid hundreds of thousands of dollars to try to avoid me.
“They came up with so many excuses to try to avoid me. They contradict themselves so many different times and it’s just ridiculous at this point.
“You need to put up or shut up.”Internet Explorer Channel Network