The Yellow Fever Virus
As you can see from the map at the bottom of the page, João Pessoa isn’t an area where Yellow Fever is common, you don’t need a Vaccination against Yellow fever to come here.
A day-biting mosquito transmits yellow fever. In forest areas monkeys may be a reservoir. The risk of infection is small, but the infection serious.
Yellow fever is the only disease still subject to international rules concerning vaccination requirement for international travel. The States, which have yellow fever, are marked on the map below. These countries has the right to request a valid yellow fever vaccination certificate upon entry. Some countries, where there is no yellow fever, but where there is a risk of introducing yellow fever, can also request a valid vaccination certificate if you arrive from a country with yellow fever.
The certificate is valid 10 days after the vaccination and for 10 years thereafter. The WHO recommends that all travellers to countries with yellow fever be vaccinated. Countries with yellow fever, can requst a valid vacciation certificate from travellers, and countries without yellow fever can request a certificate from travellers entering from a country whith yellow fever.
Yellow fever is hepatitis with fever, jaundice and bleedings. The lethality is usually between 5% and 40%.
Antibodies and sometimes virus nucleic acid can be detected in a blood sample.
Supportive only. No specific antiviral drugs available.
Vaccination.
Yellow fever often occurs in small epidemics. The local population is usually vaccinated and with a reservoir in monkeys it is impossible to predict where the non-vaccinated traveller are at risk. Tourists, who is not vaccinated, die every year from yellow fever.
Leave a Reply