Singapore’s health minister Ong Ye Kung will be in Hong Kong on Wednesday for a conference on global health, the first time “zero-Covid” Hong Kong has hosted a minister from the city state since the beginning of the pandemic.The visit comes three months after the two cities dropped an ill-fated plan for a travel bubble that was twice suspended at the eleventh hour.Ong – who is among a dozen experts attending the inaugural Asia Summit on Global Health to discuss how countries can work together…