The Health Ministry has said that almost 90% of government institutions in Colombo and in surrounding areas contain dengue mosquito breeding grounds.
The Ministry has said made this statement following examinations carried out simultaneously to the National Dengue Control Week.
According to the Health Ministry, these establishments were searched and steps had been taken to destroy all the mosquito breeding sites during the dengue control week in October this year.
However, the Ministry notes that dengue mosquito breeding sites have been found once again in these establishments.
The institutions have now been given a deadline of two weeks to destroy all dengue breeding sites or face legal action.