A national mosquito control programme has been pushed back by a week, to 9–14 November, because the continuing rain has left too many locations holding standing water, the Acting Director of the National Dengue Control Unit, Dr. Kapila Kannangara, said.
The campaign had been scheduled for 2–7 November. Kannangara said the prevailing weather and the sheer number of sites where water has accumulated prompted the change, NewsFirst reported at 12.09 p.m.
Where breeding has risen
Surveys by the unit identified increased mosquito breeding indicators in around 130 Medical Officer of Health divisions across the country. Kannangara said heavy rainfall has created favourable conditions for dengue to spread: Aedes aegypti, the vector, lays its eggs in clean water and completes its life cycle in stagnant water — which is why a wet spell followed by debris and uncovered containers produces a surge rather than the rain itself.
A note on one figure: the NewsFirst filing also states that “the mosquito breeding index has increased to 130.” The same number appears in the same report as the count of MOH divisions with elevated indicators. A breeding index and a division count are different measures, and this desk cannot reconcile them from the filing. We report the MOH division figure, which the report states explicitly, and do not reproduce the index value.
The behavioural argument
Kannangara put the emphasis on households rather than on the campaign. Dengue spreads largely through human behaviour and attitudes, he said, with people becoming complacent and forgetting to clear breeding sites; health authorities have had to issue the same reminders repeatedly. He said clean-up efforts are needed before patient numbers start rising, not after, and urged the public to inspect homes, workplaces, schools and surroundings and remove or cover anywhere rainwater can collect.
Context
The caseload was already high before this spell. This desk reported the dengue total passing 105,000 cases on 27 October, with the Government Medical Officers’ Association calling for a systematic control programme, and dengue rising with the rains earlier in the month.
Not reported: the filing gives no current case or death count, does not name the 130 divisions or say how many there are nationally for comparison, and does not say what the November campaign will involve or who will carry it out. It does not say whether the earlier November 2–7 dates had been publicly announced. Only NewsFirst had filed on this among verified newsrooms at the time of writing.
