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May 5th District Mosquito Index Exceeds Warning Line Ma'anshan Highest Level of the Month: Aedes Albopictus Super Wide

2021-06-19T10:12:39.983Z


Stepping into the hot summer, mosquito infestation problems have surfaced again. Among the 64 districts in Hong Kong, the regional mosquito trap index of five districts including Ma On Shan in May was above the 20% warning line, and the index of Ma On Shan in June was as high as 43%.


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Written by: Zhu Haiqi

2021-06-16 19:04

Last update date: 2021-06-16 19:04

Stepping into the hot summer, mosquito infestation problems have surfaced again.

Among the 64 districts in Hong Kong, the regional mosquito trap index of five districts including Ma On Shan in May was higher than the 20% warning line, and the index of Ma On Shan in June was as high as 43.1%, which is the highest level, which means that it can be transmitted. The distribution of dengue fever and Zika virus Aedes albopictus is very widespread, higher than the same period last year.

Mosquito trap index in five regions is higher than alert level

The Food and Environmental Hygiene Department announced today (16th) that the index of Aedes albopictus mosquito traps in Hong Kong was 10.5% in May. Low level.

However, the situation in individual areas is serious. In May, the regional mosquito trap index of Ma On Shan, Lok Fu West, Niuliao and Mumian Shan, Kowloon Bay and Tseung Kwan O North of the 64 monitored areas in May was higher than the alert level of 20%. , Especially Ma On Shan, the highest, reaching 28.1 per cent, while in April it was only 11.7 per cent.

However, the figure in June was even higher. The index of Ma On Shan was as high as 43.1%, which was the highest level. It means that Aedes albopictus was widely distributed, which was higher than the 28.1% in the same period last year.

Residential areas, schools, recreational facilities and public places are the most serious

The FEHD stated that most of the mosquito traps that exceed the warning line are located in public and private residential areas, schools, recreational facilities and public places. The department has taken immediate action with relevant government departments to strengthen mosquito control and anti-mosquito work in relevant areas. , The density index of Aedes albopictus in May was 1.3, that is, the average number of adult Aedes albopictus was 1.3, indicating that there are not many adult Aedes albopictus in the surveillance area.

In addition, the monthly index of Aedes albopictus mosquito traps at major ports in May was 1.9%, and the density index of 1.1 was both low.

The department reminds the public that the hot and rainy summer is good for the rapid breeding of mosquitoes. The public must take effective measures to prevent and control mosquitoes. All relevant government departments have launched anti-mosquito and anti-mosquito operations throughout the city on April 12 and continued to clean up mosquito breeding grounds during the operation. And use atomization to kill adult mosquitoes to strengthen the prevention and control of mosquitoes.

The index of ovipositor for Aedes albopictus rose last month. The Food and Environmental Hygiene Department launches anti-mosquito and anti-mosquito operations throughout the city

Last month, the index of Aedes albopictus ovitrap was low, and only 4 districts recorded positive numbers, and the New Territories index was 0

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Aedes albopictus Ma On Shan

Source: hk1

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