The rocker hopes to reschedule his 2019 tour dates next year.
Sharon Osbourne is accusing Simon Cowell of age discrimination.
The first episode of reality show "The Osbournes" premiered on MTV on March 5, 2002.
The Osbournes are setting the record straight after a Radar Online report claimed that Jack Osbourne was working as a U.S. border patrol officer.
The 70-year-old rocker revealed his flu diagnosis last week.