Whitty said that the number of people in hospital with COVID-19 is doubling around every three weeks and could hit “quite scary numbers” if that trend is sustained. He urged the public to take things incredibly slowly as the so-called July 19 Freedom Day from legal lockdown restrictions approaches. “I don’t think we should underestimate the fact that we could get into trouble again surprisingly fast,” he told a webinar hosted by the Science Museum on Thursday.