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These countries or territories have been designated by the World Health Organization (WHO) as 'countries with risk of yellow fever transmission', or 'risk countries' for short. For France, it only applies to its overseas department of French Guiana; for Argentina, it only applies to its provinces of Misiones and Corrientes; for Trinidad and ...
Yellow fever is caused by yellow fever virus (YFV), an enveloped RNA virus 40–50 nm in width, the type species and namesake of the family Flaviviridae. [10] It was the first illness shown to be transmissible by filtered human serum and transmitted by mosquitoes, by American doctor Walter Reed around 1900. [32]
Western Hemisphere populations were ravaged mostly by smallpox, but also typhus, measles, influenza, bubonic plague, cholera, malaria, tuberculosis, mumps, yellow fever, and pertussis. The lack of written records in many places and the destruction of many native societies by disease, war, and colonization make estimates uncertain.
The ICVP's nickname Yellow Card or its French equivalent Carte Jaune derives from the yellow colour of the document. The fact that yellow fever is a commonly required vaccination for travel has contributed to the document's association with the colour yellow, even though the ICVP can cover a wide range of vaccinations and booster shots, not just yellow fever.
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Vaccination requirements for international travel are the aspect of vaccination policy that concerns the movement of people across borders.Countries around the world require travellers departing to other countries, or arriving from other countries, to be vaccinated against certain infectious diseases in order to prevent epidemics.
The outbreak of yellow fever in Barcelona in 1821. The evolutionary origins of yellow fever are most likely African. [1] [2] Phylogenetic analyses indicate that the virus originated from East or Central Africa, with transmission between primates and humans, and spread from there to West Africa. [3]