Boris Johnson told a Downing Street press conference: “It is absolutely vital that we proceed now with caution and I cannot say this powerfully or emphatically enough: this pandemic is not over.The use of domestic vaccine passports and face masks will be encouraged as ministers set out a cautious approach to England’s “freedom day” on July 19 in response to soaring coronavirus cases.Experts fear there could be 200 deaths a day as cases surge, despite the protection offered by the vaccination campaign.