Health Surveillance Board, in the capital, issues an epidemiological alert for dengue, zika and chikungunya this year

Health Surveillance Board, in the capital, issues an epidemiological alert for dengue, zika and chikungunya this year
Health Surveillance Board, in the capital, issues an epidemiological alert for dengue, zika and chikungunya this year

Due to the increase in the infestation rate of Aedes aegypti adult females in Porto Alegre and the period of increased travel frequency, the Health Surveillance Board (DVS) issued a notice on Wednesday, December 29, alerting professionals for suspected arboviruses – dengue, Zika, chikungunya – in the care of patients with symptoms compatible with the diseases.

Symptoms include fever lasting a maximum of seven days, accompanied by at least two of the following symptoms: red spots on the body, headache, muscle or joint pain, pain behind the eyes, nausea, vomiting, redness in the eyes or decrease of leukocytes (detected on a blood test).

Nurse Raquel Rosa, head of the DVS Communicable Disease Surveillance Team, emphasizes that it is important that people who travel to places with confirmed cases of dengue fever or another disease transmitted by the mosquito refer to the displacement at the time of care with the professional from health. E. In places, use individual protection measures, such as the use of repellent. When returning home, it is important to eliminate any source of standing water.

According to a bulletin from the Ministry of Health, the regions of Brazil with the highest incidence of dengue are currently the Midwest (with more incidence in Goiás, Mato Grosso and the Federal District); Northeast (Pernambuco and Ceará with higher rates); followed by the South Region, which is in third position in relation to the incidence rate of cases, with Paraná and Santa Catarina being states with the highest rates.

In Rio Grande do Sul, more than ten thousand cases of dengue were confirmed in 2021, mostly in the Santa Cruz do Sul and Erechim regions, respectively.

As for chikungunya and Zika, the places with the highest incidence are Northeast and Midwest of Brazil. In RS, the municipality of São Nicolau had the majority of cases of chikungunya, and Santa Maria and Santiago, of Zika virus.

This year, until December 25, 169 suspected cases of dengue were reported among residents of Porto Alegre, of which 83 were confirmed (65 autochthonous – contracted in the city). Regarding chikungunya, one imported case was confirmed in 2021, and none of Zika virus.

In 2020, in the same period, there were 118 suspected cases of dengue and 40 confirmed (six autochthonous), four confirmed for chikungunya, imported, and no confirmed cases of Zika virus.

 
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