He's still standing -- but Elton John got seriously knocked out by a scary food-borne illness.

In late October, the 62 year-old singer was forced to cancel a string of shows in the U.S. as well as the U.K. after coming down with a dreaded infection.

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At Monday's "An Enduring Vision" benefit for the Elton John AIDS Foundation in New York, the recovered John told Usmagazine.com "it was something that I've never had before -- a serious e-coli infection which I got from something I ate."

John isn't sure what offensive food item triggered the frightening bout -- but it certainly wasn't anything concocted by David Furnish, his partner of 16 years.

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"No! No! David doesn't cook!"

Whatever it was, after intensive intravenous antibiotics and nine days of close monitoring by doctors, the musician says he's "back and raring to go . . . I'm out and about and I'm good."

John's recovery oddly coincides with a new illness for his touring partner, Billy Joel. On Monday, a San Jose concert for John and Joel's "Face 2 Face" tour was postponed because of Joel's "undisclosed medical reasons."

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"I don't know what's wrong on with him," John told Us. "I heard he's sick. I have no idea what's going on with him. "

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