It could be "six months or longer" until the UK is back to normal life if Brits don't comply with social distancing measures.
Housing secretary Robert Jenrick spoke to press along with Jenny Harries, the deputy chief medical officer for England at Sunday's daily briefing.
Dr Harries said we could be looking at six months or longer under coronavirus lockdown. "We anticipate our numbers will get worse over the next week, possibly two, and then we are looking to see whether we have managed to push that curve down and we start to see a decline," she said. "This is not to say we would be in complete lockdown for six months, but as a nation we have to be really, really responsible and keep doing what we're all doing until we're sure we can