LONDON-- Singer George Michael has admitted that his recent bout of pneumonia was "touch and go for a while" and was "the worst month of my life".

The 48-year-old star, who has returned to London following a month-long stay in a Vienna hospital, said he was "very weak" but added he feels "amazing."

In a press conference outside his home, an emotional Michael said he still has "plenty to live for."

He was forced to shelve the remaining 14 dates of his tour after falling ill.

Michael acknowledged the gravity of his illness, explaining that the General Hospital (AKH) in Vienna was "the best place in the world I could have been".

"They spent three weeks keeping me alive, basically ... I'm incredibly fortunate to be here.

"Somebody still thinks I've got some work to do here," added the star.

Michael also said he wanted to play another show for the Austrian medical staff who "saved my life."

Michael was advised by doctors to take a "full and complete rest" after contracting a severe form of pneumonia last month.

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