Prime Minister Boris Johnson is facing renewed backlash within his party over his plan to mandate domestic vaccine passports. Johnson announced that he intends to change the rules in September so that only those who are fully vaccinated can attend nightclubs and other crowded venues. The proposed rule goes further than the COVID-19 status certificates used at some mass events in recent months, with clubbers not allowed to use proof of a negative COVID-19 test or evidence of having had the virus to gain entry. Andrew Bridgen, one of 43 Conservative MPs to sign a declaration opposing vaccine passports, said Parliament should be recalled from its summer recess if ministers are “serious” about asking people to show proof of their vaccine status to gain entry to domestic venues and events. “This is a very serious infringement on people’s liberties, it is basically unprecedented in this country, and I and a …