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Posted at 9:15 am | May 18, 2022 | writing

Mossoró registers 105 probable cases and 33 confirmed cases of dengue until May 7

Photo credit: Illustrative
Aedes aegypti, the transmitter of dengue

By Edinaldo Moreno / JORNAL DE FATO Reporter

The most recent survey published in the Epidemiological Bulletin of Arboviruses of the State Department of Public Health (Sesap) shows that Rio Grande do Norte has already registered 11,427 probable cases of dengue fever. Data refer to May 7, between the 1st and 18th epidemiological week.

According to the Ministry of State, the general incidence of cases in the whole territory of Potiguar is 323.93 cases for every 100,000 inhabitants. The highest incidence was recorded in the 1st Region/Agreste with 489.2/100 thousand inhabitants. Then, the 4th Region/Seridó (435.77/100 thousand inhab.) and the 7th Region/Metropolitan (435.06/100 thousand inhab.).

Sesap explains that it has developed a series of actions to mitigate the number of cases and reduce the damage caused by verifying the situation experienced in relation to arboviruses. Thus, discussions have resumed in the Emergency Operational Committee, in which, in addition to Sesap, there are the State Public Ministry, the State Health Council and the Council of Municipal Health Secretaries of the RN.

The public health agency notes that the growth of the disease in the state can be seen compared to 2021, when a total of 806 probable cases were recorded during the same period.

“The work done with UBV cars is something that should be put as a last measure. Before that, we all need to be vigilant so that we can fight the mosquito in our backyards, homes, streets and neighborhoods. We invite therefore all the population to do their part. In addition, we have published an emergency plan to control arboviruses and we encourage municipalities to prepare their action plans according to the state, so that all these actions are carried out in a timely manner and be successful. All of this is thought out in a regionalized and decentralized way, so that the actions impact the territories,” said the technical manager of the State’s Dengue Control Program, Silvia Dinara.

What are arboviruses?

Arboviruses are re-emerging diseases, transmitted by vectors such as Aedes aegypti, which, given their capacity, can transmit a series of viral infectious agents. There are many vector-borne diseases in Brazil and Rio Grande do Norte, among which Dengue, Chikungunya and Zika stand out.

The initial symptoms of arboviruses can be similar and clinically nonspecific, and it is essential to observe the differentiation of symptoms so that the treatment of the case can be managed appropriately.

Arboviruses have common signs and symptoms, such as fever, joint pain, red spots on the skin, itchy and red eyes in the case of chikungunya and zika.

MOSSORO

The epidemiological bulletin also provides data on the municipalities of the state of Rio Grande do Sul. According to the document, Mossoró recorded 105 probable cases of dengue until the last investigation. In total, there are 33 confirmed cases. The incidence was 34.56 per 100,000 population.

As for chikungunya, the bulletin reports that the second largest city in the state had 26 probable cases with 21 confirmed cases. The disease incidence rate during the period was 8.56. The number of probable Zika cases reached four during the period with only one confirmed case. The incidence of 1.21 for the same proportion as the previous rates.

Last week, the Zoonoses Control Center (CCZ), an agency linked to the Municipal Department of Health (SMS), released the second result of the rapid index survey of Aedes aegypti (LIRAa).

The index at this second time was higher than that recorded during the first survey, carried out between the end of January and the beginning of February of this year. The old index was 3.7 and the current one has risen to 4.1.

This new sample, which is taken every three months, took place between the 2nd and the 6th of this month. The most recent LIRAa estimates that out of 100 properties in our municipality, four of them have a positive dengue focus.

Also according to the survey, the neighborhoods that achieved an index above 5.0 are Boa Vista, Dom Jaime Câmara, Santo Antônio, Bom Jardim, Planalto 13 de Maio, Santa Delmira and Aeroporto. Those with LIRAa below 2.0 were Santa Júlia, Redenção, Monsignor Alfredo Simonetti, Doze Anos, Centro, Nova Betânia, Bom Jesus and Itapetinga.

When the building infestation index is above 4, as shown by the most recent survey, the city is at high risk. When this index is between 1.0 and 3.9, the municipality is considered at medium risk; and when it is less than 1.0, it is a low risk.

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