The Centre for Health Protection is investigating two imported cases of Dengue fever involving two men who travelled to the Philippines last month.
The men, aged 32 and 26, travelled to Cebu September 16 to 19 and fell ill September 23. They were treated in Hong Kong hospitals and have recovered.
Sixty-five imported Dengue fever cases and four local ones have been reported so far this year. There were 43 last year, all imported.