Traveler help

Vaccines to travel to Brazil: what are the main diseases?

In Brazil we find several diseases that can pose a risk to the health of travelers, such as yellow fever. Therefore, it is important to know them and know what vaccines and health requirements should be taken into account to go to this country.

Below you have an index with all the points that we are going to deal with in this article.

Main diseases

In this country we find numerous ailments that are contagious, so precautionary measures must be taken. Several of them are listed as tropical.


In Brazil there is the possibility of contracting any of these disorders, which are present due to the country's climate. Most are transmitted by mosquitoes.

One of them is the yellow fever. The symptoms it produces are similar to those of the flu and occur between three and seven days after the bite occurs. The areas of greatest risk are the following:

  • Amapá
  • Amazon
  • Acre
  • Rondonia
  • Roraima
  • Tocantins

Malaria or malaria is an infection of the red blood cells. The first effects are headache and fever. It is considered endemic, as it is common in this country.

Dengue is also spread by a mosquito and it is not transmitted from person to person. It is more common in the rainy season. It produces strong pains, high fever and vomiting. Although there is no specific treatment, it can be overcome in two weeks. Leishmaniasis is also present, especially in Acre.

Onocercosis, also known as river blindness, is spread by the bite of the black fly. This disease affects the skin and eyes. It causes intense itching, disfiguring skin conditions and eye injuries, which can lead to permanent blindness.

The last virus to reach tropical regions has been Zika. It is transmitted by the mosquito Aedes aegypti, also causing yellow fever, dengue fever and chikungunya fever, also present in the territory. This virus is dangerous, especially in pregnant women, as it can cause microcephaly in the fetus.


There are other ailments that, although they are not related to the climate of the country, are contagious, so they must be taken into account when traveling to Brazil.

The risk to contract tuberculosis and meningitis is scarce, but it is convenient not to remain in enclosed spaces crowded with people. Brazil is ranked 22 in terms of the incidence rate of tuberculosis.

Brazilian maculous fever is present in the Belo Horizonte area. It is transmitted by ticks, but it can also be acquired through rodents that are already affected.

In Salvador de Bahía there is a certain risk of leptospirosis. It is infected through the contact of the skin and mucous membranes with water and soil contaminated by the urine of infected animals. There are many species that can carry this bacterium.

The WHO (World Health Organization) also affects venereal or sexually transmitted diseases such as AIDS (HIV). Therefore, you should avoid risk practices and do not forget to use protection. As for Ebola, there is no risk in this country.

Although it is not a condition in itself, you have to be careful on the beaches, because the bug Flea from the sand penetrates the skin through the foot and can cause several complications.

Although they are present and important, these ailments are not the only problem for the population, since 30% of deaths in Brazil occur due to cardiovascular diseases. They mainly affect the poor population.

In the town of Araras, Goiás, there is a disease weird known as xeroderma pigmentosa, which makes the skin extremely sensitive to sunlight. This increases the risk of skin cancer and causes the skin to "melt." However, it is convenient to know that it is not contagious.


Currently there is no mandatory vaccine to travel to Brazil. However, if you are going to leave the main cities and go through territories like the Amazon, you should get vaccinated against yellow fever.

This can be put on travelers older than nine months. If this is the first time, it must be administered ten days before the trip. It is also important to take it if you go to the Iguazu Falls.

Also, vaccination recommended For any area of ​​Brazil it is the following:

  • Hepatitis A
  • Tetanus-Diphtheria
  • Triple viral (measles, rubella and mumps)

If you are traveling with a baby or toddler, he or she should have their vaccinations in order, but no further administration is required.

Outbreaks of swine flu or H1N1 have emerged over the years, for which there is a vaccine. The same goes for measles, before which special caution was taken during the 2014 FIFA World Cup. Before traveling to Brazil, it is advisable to check the status of these ailments in the area.

Dengue vaccine is not widespread. It is being used in some countries and is intended to be extended in endemic areas of territories such as Brazil. There is no immunization against malaria.

Health requirements for Spaniards

The Ministry of Foreign Affairs and Cooperation of Spain develops different health recommendations for tourists who are thinking of going to Brazil.

Since a large part of the diseases are transmitted by the mosquito, a repellent effective. Also, during the day, it is better to wear light colored clothes that cover most of the body. The area of ​​greatest risk is the Northeast.

To avoid gastrointestinal infections, you should not drink tap water. Fruits and vegetables must be washed and disinfected. It is preferable to consume cooked and purchased food in quality establishments.

There are some beaches in the states of Santa Catarina and São Paulo where bathing is prohibited due to existing pollution. It is convenient to find out about the state of the coast.

Also, you always have to hire health insurance that has good coverage. This must include at least hospitalization, surgical intervention and repatriation. If medications are taken, they should be in their original box and with the prescription.

Recommendations for Argentines

The Brazilian Tourism Institute (Embratur), together with the Brazilian embassy in Buenos Aires and the Brazilian Federal Police, have written an advice guide for Argentines who decide to visit the country.

They are recommended to get vaccinated against yellow fever ten days before of the trip if you are going to visit some parts of the country like Amazonas, Brasilia, or the northwest of the State of São Paulo.

For any problem during the visit, you can contact the Argentine Embassy in Brazil through this phone: +55 (61) 3364-7600. Also, if you want to know the rest of the indications, you can access them by clicking in this link.

Tips for Mexicans and Chileans

The Ministry of Foreign Affairs of Mexico makes some guidelines available. In the health aspect, he advises that Mexicans hire a safe of medical expenses with international coverage.

Before traveling, it is advisable to find out if they are allergic to any medication or food. In addition, they should avoid unhealthy areas, as they are places where dengue can be contracted.

Similarly, the Ministry of Labor and Social Welfare of Chile also emphasizes that, regardless of the destination, medical insurance must be contracted and the necessary vaccines must be made to avoid contracting any disease.

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