Global's Director of Broadcasting Richard Park is said to be 'doing very well' following an emergency operation last weekend because of a small bleed around the brain.
The Total Access evening show, which airs across local radio stations owned by Wireless, is getting a new host as Olivia Jones takes over from Elliot Holman.
BBC Radio 5 Live breakfast show co-host Nicky Campbell missed his programme Tuesday morning after being taken ill at home and admitted to Salford Royal Hospital.
Radio 2's Johnnie Walker is taking six weeks off while he recovers from health problems, with Huey Morgan stepping into do the Rock Show and Tom Robinson covering Sounds of the 70s.