Hong Kong has recorded six imported cases since August 2, with a 31-year-old man who returned from Foshan the latest patient.

Director of Health Dr Ronald Lam highlights notably shorter incubation period in mosquitoes, allowing virus to replicate quickly.

Hong Kong has recorded six imported cases since August 2, with a 31-year-old man who returned from Foshan the latest patient.

Specialists urge government to deploy more monitoring sites and enhance data collection to fight potential outbreaks.