AS the COVID-19 vaccine rollout gains momentum, many countries are planning a gradual return to normal, opening borders and letting people back into restaurants, shops and sports venues after more than a year of on-off lockdowns. Here are some of their plans, in alphabetical order: BRITAIN Non-essential retailers in England reopened on April 12 along with pubs and restaurants operating outdoors. Indoor hospitality, cinemas, theatres and sports halls reopened on May 17. Britain also allowed international travel to resume, with quarantine rules still in place for most arrivals. The government aims to lift most remaining restrictions in England on June…