Yellow fever is an acute viral infection primarily transmitted by mosquitoes. It is called “yellow fever” because it can cause jaundice.
Endemic in tropical and subtropical areas of Africa and South America.
Yellow fever is mainly transmitted via the bite of infected mosquitoes, particularly the Aedes aegypti species. Humans and monkeys are the primary hosts of the virus.
Clinical Features:
Fever, headache, muscle aches, nausea, vomiting, and fatigue.
Can progress to severe symptoms: liver failure, jaundice, and bleeding.
Prevention and Control:
Prevention is via vaccination (highly effective and provides long-lasting immunity; recommended for travellers to endemic areas)
Avoid mosquito bites by using insect repellent, wearing long sleeves and pants
Public Health Measures:
Vaccination programs
Mosquito control efforts (eg spraying insecticides and eliminating breeding sites)
Surveillance to detect and respond to cases promptly
Treatment:
No specific antiviral treatment for yellow fever.
Supportive care to relieve symptoms and prevent complications.
Page last updated:
Comments are closed.