Dr Hilary Jones has questioned the "weak nation" for having a five-day break during Christmas amid the coronavirus pandemic.
Piers Morgan and Susanna Reid had been interviewing the First Minister of Wales, Mark Drakeford MS, who was encouraging caution amid the new Covid-19 restrictions.
There are currently plans for Christmas bubbles to allow families to reunite over the festive period. Three households will be able to mix in a bubble from the 23rd until the 27th December.
Interjecting after the interview, Dr Hilary compared controlling the virus to controlling your weight. "It's easy to put weight on, it's very difficult to lose it," Dr Hilary said. "It's very easy for the transmission of the virus to increase, it's very slow to get