Two Argentine tourists died due to yellow fever in Brazil, both without being vaccinated, so health authorities ask to take the necessary precautions if you plan to travel to Brazil.

Also known as Siam disease or Barbados fever, it is an acute, rapidly evolving infectious disease transmitted by mosquito bites, according to information from the World Health Organization (WHO).

Its severity can be very variable. Regardless of its intensity, once it has been suffered, immunity is acquired for life.



  • Fever
  • headache
  • Jaundice
  • Muscle pains
  • Sickness
  • Vomiting
  • Fatigue


The incubation

During the incubation, which lasts three to six days, the virus remains inactive. The first phase, which lasts three to four days, is characterized by fever, chills, muscle aches, headaches, loss of appetite, nausea, vomiting and the sign of Faget, that is, normal heart rate in the presence of high fever . After this period, the patient improves and the symptoms disappear.

Approximately 15% of patients develop a toxic phase in which the majority of bodies fail; Half of these patients find death in a period of 10 to 14 days. The rest recovers without sequels.



Vaccination is the most effective measure against contagion, so the WHO recommends it for any trip outside urban areas in countries located in Central and South America and part of sub-Saharan Africa. It must be administered in official vaccination centers accredited by WHO.

One dose provides immunity for 10 years from the tenth day of administration.

The vaccine causes adverse effects, such as local pain, muscle aches or headaches and fever may also occur. Other prevention measures are to avoid biting mosquitoes and control their reproduction.


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