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Yellow fever

Outbreak of yellow fever in Brazil, 2017: Epidemiological situation

 
24 March 2017

Since 16 March 2017, national public health authorities in Brazil have not reported any new confirmed case of yellow fever.

WHO has extended its vaccination recommendations to the state of Rio de Janeiro, with the exception of the urban areas of Rio de Janeiro City and Niterói, and to the State of São Paulo, with the exception of the urban areas of São Paulo City and Campinas.

This week, according to WHO PAHO update, Peru reported one additional case.
 
After the WHO DON posted on 20 March, WHO recommend vaccination of international travellers above nine months going State of Rio de Janeiro, with the exception of the urban areas of Rio de Janeiro City and Niterói, and the State of São Paulo, with the exception of the urban areas of São Paulo City and Campinas.
 
 
 

 PUBLIC HEALTH DEVELOPMENTS

 
 

 EUROSURVEILLANCE ARTICLES

 
Retrieving Data
 

 Yellow fever distribution in Brazil 2017

 
 

 YELLOW FEVER

 
Yellow fever is a viral infection that is present in some tropical areas of Africa and the central area of South America, where it has caused large outbreaks in the past.
The virus is transmitted by mosquitoes which also act as an important reservoir. Monkeys and humans also act as reservoirs in the jungle yellow fever and the urban yellow fever cycles.
Following the insect bite, most infections remain without symptoms.
In clinical cases, symptomatic infection appears after an incubation period of 3–6 days. First symptoms are high fever and red eyes, then after a quiet period, a second rise in temperature, accompanied by signs of liver and kidney failure and bleedings (primarily intestinal).
Up to 50% of cases with liver damage may die.
No specific therapy is available.
A highly effective vaccine is available, providing immunity to 95% of vaccinated persons that should be recommended to travellers to endemic areas.
 

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