Discontent with the government’s self-isolation policy is growing as food industry bosses condemned changes to ease the “pingdemic” as “worse than useless,” hospitality leaders warned of a summer of closures, and train operators were forced to cut services. There were increasing calls for Boris Johnson to bring forward his wider relaxation of quarantine rules for the fully vaccinated from August 16 as businesses were hampered by staff being told to isolate as coronavirus cases soar. In a bid to calm the concerns of industry, ministers published a limited list of sectors whose double-jabbed workers are eligible to avoid isolation if they undergo daily testing before the wider easing of rules for England. Industry leaders said the move did not include sufficient workers, but doctors warned the problem is that the Prime Minister has let the virus “rip” and not the “pings” being issued by the NHS COVID-19 app to tell …