China coronavirus: Hong Kong public health experts call for stepped up prevention measures as suspected cases reported in Shenzhen and Shanghai

Public health experts in Hong Kong have urged the authorities to step up prevention measures after three more suspected cases of the newly discovered coronavirus were reported across the border, in Shenzhen and Shanghai, rather than Wuhan, the outbreak epicentre, increasing the threat to the city.Hong Kong needed to be more proactive in requesting information from mainland Chinese authorities, as well as requiring visitors to fill in health declaration forms, doctors and a legislator said.“As…