News Snapshot: Introducing a coronavirus “vaccine pass” could backfire in Hong Kong, a health expert said on Monday, the day after the idea was suggested by the minister in charge of the inoculation programme. Secretary for the Civil Service Patrick Nip Tak-kuen said on Sunday it was possible Hong Kong could emulate France’s health pass system, “pass-sanitaire,” to encourage more residents to get the Covid-19 jabs, as they would need proof of vaccination to enter restaurants or shopping centres.…