Dr Hilary Jones called out one guest on Good Morning Britain on Friday, as they debated over whether coronavirus lockdown rules should be lifted.
Amid changes to certain parts of the UK following a rise in cases of Covid-19, there's fears restrictions will be tightened yet again to control the virus' spread.
Prime Minister Boris Johnson announced in September that social distancing measures, including gatherings of no more than six people, could last until March 2021.
Now, some experts and scientists have called for a herd immunity strategy while a vaccine is not ready. It could see the elderly and the vulnerable isolating, while the young and the healthy go about normal life out of lockdown.
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