Marcelo Lopes – Levantamenro recognizes the eleven quarters of the Cataguases with Aedes Aegypti

Index of infestation of property in Cataguases 2.82% Mosquitoes, according to research

The rate of attack in Cataguas is 2.82%


The Endemic Control Center of the City Health Service carried out the fourth stage of the fourth LIRAa and the LIA from 2018 on 4th to 26th October. It was a rapid index survey of Aedes aegypti and Aedes albopictus (LIRAa) and the Amostral Index Survey (LIA), the methodologies used to identifying and mapping the presence of mosquitoes carrying dengue and other diseases in the community, an initiative supported by the Ministry of Health.

According to the coordinator of the Cosme Tadeu Alves da Costa endemic control unit, the fourth survey coincides with the wet season and should therefore be considered more important – not that other surveys conducted every two years are not relevant – because it is the time that most contributes to vector propagation. In this fourth phase, the number of real estate teams found in the city was 1.027, of which 29 detected the presence of Aedes aegypti, corresponding to 2.82% of the mosquito infestation.

pictureAccording to the report submitted by this sector, 33 districts were also surveyed, of which 11 were positive. The survey also identifies the predominant deposits, which are the most frequent occurrence of mosquito explosions. These are glasses or glasses of water, bowl containers, fountains in general, ornamental fountains, and building materials. The number of properties with Aedes albopictus was 8 and the mosquito attack rate was 0.78%.

LIA results showed rural circuits with vectors presenting 936 properties, 11 of which had Aedes aegypti, which means an attack index of 1.17%. Ten sites were surveyed and four had positive mosquito results. In rural areas, the predominant deposits were vessels or glasses of water, crockery, drinking fountains in general, ornamental fountains and building materials, as well as tires and other rolling materials that can be removed according to Cosme dos Santos. Still, the report contained ten properties present in Aedes albopictus, which means an attack rate of 1.07%.

It is worth mentioning that the contamination rate advocated by the Ministry of Health is less than 1% and the results leave the village on alert. "This is because, given that we are in the rainy season, the numbers are acceptable and this year we had a worrying percentage," said the coordinator. He also stressed that the rainy season should always be observed with greater concern, as it is a powerful ingredient in triggering a possible epidemic of mosquito-associated disease. In addition, it emphasizes the importance of constant monitoring of the population, regular care for the possible outbreak of mosquitoes. "It is known that 80% of these epidemics are in the homes and the population must be aware that it is part of this control," he said.


Cosme dos Santos also said that the Endemic Control Center as a vector-fighting strategy keeps day-to-day work on the focus and removal of bearings. Surveys show the most critical areas where work is done with greater emphasis, all blocks of the areas where the results were positive for larvicidal application and mechanical control, such as removal of sediments, work immediately after results of LIRAa and LIA. The coordinator also said that, according to several infectious scientists in the country, next year there is a great chance of having a dengue epidemic because the rain at the end of 2018 was higher than in previous years, dengue is a seasonal disease, and studies show that epidemics occur every two years. "But it is possible to interrupt this cycle with the awareness of the population and the work of all of us so that dengue is actually eradicated from our country," he concluded. (Photo: Archive)

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