The dengue vaccine, also known as dengvaxia, is indicated for the prevention of dengue in children, being recommended from 9 years and adults to 45 years of age, living in endemic areas and who have already been infected with at least one of the serotypes of dengue.
This vaccine works by preventing dengue of serotypes 1, 2, 3 and 4 of the dengue virus, as it stimulates the body’s natural defenses, leading to the production of antibodies against the dengue virus. Thus, when a person comes into contact with the dengue virus, their body reacts quickly to combat the disease.
- The dengue vaccine is given in 3 doses.
- Starting at 9 years.
- With an interval of 6 months between each dose.
- It is recommended that the vaccine be applied only to people who have already had dengue fever or who live in areas where dengue outbreaks are common because people who have never been exposed to the dengue virus may have an increased risk of worsening the disease.
- With the need to remain in the hospital.
This vaccine should be prepared and administered by a doctor, nurse or specialist health professional.
Some of the side effects of Dengvaxia may include headache, body pain, discomfort, weakness, fever and allergic reactions at the injection site such as redness, itching, swelling and pain.
People who have never had dengue and who live in places where the disease is not as common, such as the southern region of Brazil, when vaccinated, may have more severe reactions and should be admitted to the hospital for treatment. For example, it was recommended that the vaccine be applied only to people who have already had dengue or who live in areas with high incidence of the disease, such as the North, Northeast, and Southeast regions.
This medicine is contraindicated for pregnant or nursing women, children under 9 years of age, adults over 45 years of age, patients with fever or symptoms of disease, congenital or acquired immunodeficiency such as leukemia or lymphoma, HIV-positive patients or immunosuppressants and allergic patients. to one of the components of the formula.
In addition to this vaccine, there are other important measures to prevent dengue; learn how in the following video: