PUTRAJAYA: A total of 9,072 dengue cases have been reported as of last Feb 24, compared to 14,513 cases in the corresponding period last year.
This was a decrease of 5,441 cases (37.5 per cent), said Health director-general Datuk Dr Noor Hisham Abdullah today.
For the number of deaths due to dengue, he said 20 cases were recorded for the same period compared to 40 cases last year - a reduction by 50 per cent.
"Recently, three deaths were reported due to dengue between Feb 18 to Feb 24 - in Perak, Sarawak and Pahang - involving individuals above the age of 60. They were also diagnosed with other chronic diseases such as diabetes and high blood pressure," he said.
Dr Noor Hisham said in the same period, there were also increase in the number of dengue cases.
"A total of 1,224 cases were reported, an increase of 4.4 per cent (52 cases) compared 1,172 cases in the previous week," he added.
Until Feb 24, he said, there were 383 number of localities in 11 states where dengue was still active.
"In the same week, 36 hotspot localities were reported involving four states. Thirty in Selangor, three in Perak, two in Sabah and one in Penang," he added.
He said based on a study conducted by an individual on the profile of Aedes mosquito at multiple-storey buildings in Selangor, the ovitrap index showed higher in flats (16.7 per cent) compared to apartments (6.1 per cent).
Ovitrap index is used to detect the presence of mosquito eggs.
"Other findings of the study are the level of cleanliness which were not satisfying as there are many household things abandoned such as pails, vase, plastic food containers apart from rubbish which are thrown on the roofs of houses.
"The study also found that clogged drainages after a heavy downpour also contributed to the breeding of Aedes mosquito in the area.
"Therefore, the public and local councils must work together to combat the spread of dengue cases and Aedes mosquito," he added.
Meanwhile, Dr Noor Hisham said there is one case of chikungunya reported for the week at the Sik district in Kedah, bringing the cumulative number of these cases reported at 37 as of Feb 24.
On the Zika virus surveillance monitoring by the National Public Health Laboratory (NPHL) and the Institute for Medical Research (IMR), he said the test results of 278 blood samples of patients with symptoms were negative as of the same period.