Elderly Hong Kong residents seeking to get vaccinated for [Covid](tag?_=covid) -19 will soon only need to pick up the phone and a coach will drive them to an inoculation centre, a senior official has said. Mobile vaccination vehicles will also begin visiting local housing estates next month as the government continues its attempts to boost vaccination rates among the elderly, a demographic that has remained stubbornly resistant to the jabs. On Saturday, the city confirmed six new [Covid](tag?_=covid) -19 cases, all of which were imported. That included the 55-year-old Russian diplomat whose preliminary-positive test triggered an overnight lockdown on Friday...