The 72-year-old rocker recently shared his worries about getting COVID-19, saying, "there's a good chance I ain't going to be here."
The Black Sabbath legend said he realised his children had 'fear in their eyes' while he battled addiction.
The 68-year-old originally tested positive in December but tested negative twice just before Christmas.
The 68-year-old TV star has been released from hospital and is self-isolating away from husband Ozzy.
"I'm not proud of that," the Black Sabbath rocker said of the affair that nearly broke his 38-year marriage.
Sharon Osbourne has said Johnny Depp and Amber Heard’s 'volatile relationship' to similar to her own relationship to rock star husband Ozzy
'The Osbournes' changed reality television forever and turned Sharon, Kelly, and Jack Osbourne into overnight stars. But there was one family member who chose to remain behind the scenes.
Sharon and Ozzy Osbourne relive the moment he 'calmly' tried to kill her while high on drugs in a new documentary about the rock star’s life
Ozzy Osbourne has told how he was in so much pain after having spine surgery he thought he was 'dying'
Kanye West has received a loan of several million dollars to avoid laying off Yeezy staff but Sharon Osbourne thinks he should be embarrassed to take it.
The TV personality said: 'We cannot celebrate these people that we once thought were heroes'.