The unexpected bug forced Osbourne to postpone Sunday night's show in Reno, Nev.
It's not clear what's ailing the 62-year-old rocker, but the concert was rescheduled for April.
Osbourne is currently on the U.S. leg of his "Scream" tour.
The unexpected bug forced Osbourne to postpone Sunday night's show in Reno, Nev.
It's not clear what's ailing the 62-year-old rocker, but the concert was rescheduled for April.
Osbourne is currently on the U.S. leg of his "Scream" tour.