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La fiebre amarilla o vómito negro es una enfermedad aguda e infecciosa causada por el virus de la fiebre amarilla cuyo principal vector es el mosquito Aedes aegypti. Es una causa importante de enfermedad hemorrágica en muchos países de África y América del Sur. Es endémica en áreas subtropicales y tropicales de América del Sur y África.
The outbreak of yellow fever in Barcelona in 1821. The evolutionary origins of yellow fever most likely came from Africa. 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.
El virus de la fiebre amarilla es un virus ARN monocatenario positivo perteneciente a la familia Flaviviridae, con un genoma de 11Kb compuesto por un marco abierto de lectura entre dos regiones no codificantes.
31 de may. de 2023 · WHO fact sheet about yellow fever, an acute viral haemorrhagic disease transmitted by infected mosquitoes. It provides key facts and information on signs and symptoms, populations at risk, transmission, treatment, prevention, WHO response.
8 de nov. de 2023 · Overview. More. Yellow fever is a viral disease that is transmitted to humans by the bites of infected mosquitoes. It is prone to epidemics and is preventable with a vaccine. These day-biting mosquitoes breed around houses (domestic), in forests or jungles (wild), or in both habitats (semi-domestic).
La fiebre amarilla es una enfermedad infecciosa transmitida por mosquitos que pican principalmente durante el día. En la actualidad (2023) hay 34 países de África y 13 de América Central y del Sur en los que la enfermedad es endémica en todo el país o en algunas regiones.
Yellow fever is an acute viral haemorrhagic disease that is endemic in tropical areas of Africa and Latin America. Cases can be difficult to distinguish from other viral hemorrhagic fevers such as arenavirus, hantavirus or dengue. Symptoms of yellow fever usually appear 3 to 6 days after the bite of an infected mosquito.
