The recording of a local dengue fever case in Hong Kong suggests that undiagnosed imported cases could lead to a wider outbreak in the coming months. Health officials stressed that this risk was preventable.

The first local case of dengue fever recorded for the first time in more than a year in Hong Kong indicates that undiagnosed imported cases could lead to an outbreak in the coming months, a health official has warned, while stressing that the risk was preventable. The warning by Albert Au Ka-wing, head of the Centre for Health Protection’s communicable disease branch, came after one case was recorded in Tai Po last Thursday, in a patient with no travel history. “The first local dengue fever case...