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Almost thousand cities may have dengue, zika and chicungunha outbreaks in the country, the government warns



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The Ministry of Health published on Tuesday a survey that indicates that almost a thousand cities may have an outbreak of dengue, zika and chicungunha in the country. The first rapid survey of 2019 Aedes aegypti (LIRAa) infestation indexes indicates that 994 municipalities had a high infestation rate, with a risk of outbreaks of disease. The data was collected between January and March of this year.

The briefcase warns that the surveillance system of states and municipalities and the entire population should strengthen the care to combat the mosquito. In total, 5,244 municipalities carried out some type of follow-up of the Aedes aegypti transmitter, of these diseases.

"The result of the LIRAa confirms the increase in the incidence of dengue cases throughout the country, which increased 339.9% compared to the same period last year. These results indicate that it is necessary to take Additional measures to combat the transmitting mosquito, with the participation of the population and all local and federal executives, "says Wanderson Kleber, secretary of health surveillance of the Ministry of Health.

Kleber points out that "even with an increase in the number of cases of the disease, the incidence rate for 2019 is within the expected period of the period. So, so far, the country is not He is in an epidemic situation, although there may be epidemics located in some municipalities and states, "he said.

In addition to cities at risk, the survey identified 2,160 municipalities in alert, with a rate of land infestation of between 1% and 3.9% and 1,804 municipalities with satisfactory indices less than 1%.

Case by country

In 2019, until April 13, 451,685 probable cases of dengue were registered in the country, an increase of 339.9% compared to the same period of the previous year, when 102,681 cases were registered. The incidence has a rate of 216.6% cases / 100 thousand inhabitants. The number of deaths from the disease also increased, from 186.3%, from 66 to 123 deaths.

With regard to the increase of cases, the general coordinator of the national programs for the control and prevention of malaria and diseases transmitted by Aedes explains some of the reasons:

– Since the end of last year, environmental conditions were conducive to the reproduction of vectors, such as an increase in temperatures and a longer precipitation regime. In addition, we have the return of dengue serotype 2, which was not predominantly identified in the samples, which increases the susceptibility of the population – says Rodrigo Said.

In relation to zika, 3,085 cases were registered, with an incidence of 1.5 cases / 100 thousand inhabitants. In 2018, during the same period, 3,001 probable cases were registered. In 2019, the dead were not registered by zika.

There were also 24,120 cases of chikungunya in the country, with an incidence of 11.6 cases / 100 thousand inhabitants. In 2018, there were 37,874 cases, a reduction of 36.3%. In 2019, the dead were not confirmed by chikungunya.

Situation by cities

Five capitals have a satisfactory index: Boa Vista (RR), João Pessoa (PB), São Paulo (SP), Rio de Janeiro (RJ) and the Federal District. The capital of Cuiabá (MT) is at risk. Other 16 capitals are on the alert: Fortaleza (CE), Porto Velho (RO), Palmas (TO), Salvador (BA), Teresina (PI), Recife (PE), Belo Horizonte (PA), Macapá (AP), Manaus (AM), Maceió (AL), Aracaju (SE) and Goiânia (GO).

Florianópolis (SC) and Rio Branco (AC) did not send information.

The LIRAa

It is an important tool for controlling vectors. Based on the information collected, it is possible to identify neighborhoods where mosquito concentrations are and how they are. The objective is that, with the survey, the municipalities have better conditions to plan the actions of combat and control of the mosquito.

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