SEVERE DENGUE

 

Severe dengue, also known as "dengue hemorrhagic fever" or "dengue hemorrhagic fever" dengue", is a potentially fatal complication. [1], [2]
 

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Indication of the vaccine

The dengue vaccine available in the SUS is indicated to prevent people from 4 to 60 years of age against any serotype, regardless of whether or not you have already contracted dengue. [1]

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Efficacy data

Studies prove that the overall effectiveness of the dengue vaccine is 80.2% against all serotypes, from 1 to 12 months after the second dose. [2] In relation to cases of hospitalizations caused by dengue, the vaccine showed 90.4% of effectiveness. [2]

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Where to get vaccinated

The dengue vaccine is available free of charge in the Unified Health System for the immunization of children and adolescents between 10 and 14 years old, in priority regions. People from 4 to 60 years old can also get vaccinated at private clinics.

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Dengue cases in Brazil

The numbers are alarming. Dengue, transmitted by the Aedes aegypti mosquito, continues to rise throughout the country. [3]


Dengue fever in 2025: [4]

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1.630.951

 

     Probable cases

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1.668

 

     Confirmed deaths

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290

   

     Deaths under
     investigation

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767,2

 

     Coefficient
     of incidence

Updated on October 8, 2025.

 

We need to talk about dengue

The Aedes aegypti mosquito is the main vector of dengue.

How it is transmitted

References