The Centre for Health Protection today urged people to take precautions against Dengue fever, as four new cases have been confirmed in the past week.
The patients had travelled to the Philippines, Singapore and Mexico during the incubation period.
As of September 24 there had been 81 confirmed cases this year, including a local case, 79 imported cases and a case under investigation.
The centre advised people to take anti-mosquito precautions when travelling abroad.
