Is it possible to get dengue twice? This is what the WHO says

Dengue, a viral disease transmitted by mosquitoes of the Aedes genus, is a public health concern in many tropical and subtropical regions of the world.

A common question that arises among those who have suffered from this disease is whether it is possible to contract dengue more than once. Here is what the WHO says on the subject.

Can I get dengue twice?

Dengue is caused by one of four different serotypes of the dengue virus; DEN-1, DEN-2, DEN-3 and DEN-4.

The initial infection generally confers lifelong immunity against the specific serotype of the virus that caused the disease.

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However, This immunity is serotype-specificwhich means that does not protect against the other three serotypes.

People who have had dengue from one serotype can be infected again by another serotype, which is known as a secondary infection.

According to the World Health Organization (WHO), A previous infection with the dengue virus increases the risk of developing severe dengue.

Secondary infection is of particular concern because it may increase the risk of developing severe forms of dengue, such as severe dengue or dengue hemorrhagic fever.

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In Mexico, dengue is the main vector-borne disease.

How to prevent dengue?

These findings underscore the importance of prevention strategies such as vaccination and mosquito control.

The dengue vaccine, Dengvaxiahas shown variable efficacy depending on the serotype and previous history of infection, and is recommended primarily for individuals with a history of dengue.

In Mexico, this dengue vaccine is authorized for use in people aged 9 to 45 who live in dengue-endemic areas, according to Cofepris and the National Institute of Public Health.