Is dengue fever in Brazil?


Is Dengue fever common in Brazil?

In 2017 and 2018, the number of annually reported dengue cases declined to ~250,000, the lowest since 2005 (~200,000; Fig. 1A). In 2019, dengue cases again rebounded, setting a new record of ~2.1 million reported cases in Brazil (Fig.

Which country has the most dengue fever?

The five countries reporting most cases are: Brazil (813 881), Peru (35 699), Nicaragua (29 165), Colombia (25 388), and Mexico (20 286). This is an increase of 77 465 cases and 40 deaths since 27 August 2021.

What is dengue in Brazil?

Dengue is a viral infection caused by four types of viruses (DENV-1, DENV-2, DENV-3, DENV-4) belonging to the Flaviviridae family. The viruses are transmitted through the bite of infected Aedes aegypti and Aedes albopictus female mosquitoes that feed both indoors and outdoors during the daytime (from dawn to dusk).

Does Brazil have Zika?

Brazil has a history of previous Zika Virus transmission. There is currently no evidence of an ongoing Zika Virus outbreak. However, there is limited information available and there may be delays in detecting and reporting new cases. Take meticulous anti-mosquito bite measures during the daytime.

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In what countries is dengue fever found?

The disease is common in many popular tourist destinations in the Caribbean (including Puerto Rico), Central and South America, Southeast Asia, and the Pacific Islands. In the United States, local cases and limited spread of dengue does occur periodically in some states with hot, humid climates and Aedes mosquitoes.

Who are more prone to dengue?

A new study with icddr,b identifies various household and community level risk factors that increase the risk of Dengue fever virus (DENV) infection. Children older than 6 years of age are more likely to be infected by this mosquito-borne pathogen.

What countries have dengue virus?

Dengue outbreaks are occurring in many countries of the world in the Americas, Africa, the Middle East, Asia, and the Pacific Islands.


Country Level of Risk
Singapore Sporadic/Uncertain
Sri Lanka Frequent/Continuous
Taiwan Frequent/Continuous
Thailand Frequent/Continuous

When is dengue season in Brazil?

Parts of Brazil experience dengue fever transmission year-round, but the highest number of cases historically occur January-June. Brazil identified more than 1.4 million dengue fever cases during 2020, approximately 2.1 million cases in 2019, and only 241,684 cases in 2018.

How did the Zika virus reach Brazil in 2014?

Zika rapidly spread across Brazil and to more than 50 other countries and territories on the American continent. The Aedes aegypti mosquito is thought to be the principal vector responsible for the widespread transmission of the virus. However, sexual transmission has also been reported.

Is there a vaccine for dengue?

Dengue Vaccine Globally

A vaccine to prevent dengue (Dengvaxia®) is licensed and available in some countries for people aged 9 to 45 years. The World Health Organization recommends that the vaccine only be given to persons with confirmed previous dengue virus infection.

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