the university of warrick he explained the thinking behind the government's approach. community is that when enough people have been following the virus then. the epidemic will eventually die out so essentially what we're still trying to do is we're trying to control the outbreak so we're trying to put interventions that will delay the peak of the epidemic and also reduce the height of the epidemic to point to the certain number of people would be infected then it could no longer in fact he won't be equal because he sensually people had contacts and been infected and so it reduced to a low enough level that the epidemic would die out is the risk to we know that the over seventy's and particularly the eighty's. because they may have underlying health conditions are more risk some opiates that you want to protect those. those people in the population which is why these sorts of measures are being considered it's really important now that we keep these good hygiene practices that have been recommended we keep necessary isolation and quarantine policies. and the crucial th