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Definition: yellow fever from Philip's Encyclopedia

Acute, infectious disease marked by sudden onset of headaches, fever, muscle and joint pain, jaundice and vomiting; the kidneys and heart may also be affected. It is caused by a virus transmitted by mosquitoes in tropical and subtropical regions. It may be prevented by vaccination.

yellow fever

From The Columbia Encyclopedia
acute infectious disease endemic in tropical Africa and many areas of South and Central America. Yellow fever is caused by a virus transmitted by the bite of the female Aedes aegypti mosquito, which breeds in stagnant water near human habitations. A form of the disease called sylvan or jungle yellow fever is transmitted in tropical jungles by other species of mosquitoes that live in trees. Other primates are susceptible to the disease and function as a reservoir of the virus. Although the disease still occurs, typically in sporadic outbreaks, its incidence has been greatly reduced by vaccination and mosquito-control measures. The disease may be carried by travelers coming from endemic regions, and epidemics have extended into subtropical and temperate regions during warm seasons. Yellow fever begins suddenly after an incubation period of three to five days. In mild cases only fever and headache may be present. The severe form of the disease commences with fever, chills, bleeding into…
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Occurences of yellow fever are isolated to...
The mosquito‐borne yellow fever virus is also extending its range, and is now endemic in much of South America and tropical Africa. In the early 1990s, the disease appeared in Kenya, the first case in east Africa for more than a quarter of a century. There are also fears that the disease could move…
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Full text Article Yellow Fever

From Gale Encyclopedia of Public Health
Yellow fever, also known as sylvatic fever and viral hemorrhagic fever, is a severe infectious disease caused by a type of virus called a flavivirus. This flavivirus can cause outbreaks of epidemic proportions throughout Africa and tropical America. It is endemic in 33 countries in Africa and 11…
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Full text Article Yellow Fever

From The Oxford Encyclopedia of the History of American Science, Medicine, and Technology
Yellow fever was a major epidemic disease in the Atlantic world from the time of its importation via the West African slave trade in the seventeenth century to its effective control by the mid-twentieth. The disease is caused by a virus that is spread by mosquitoes of the Aedes genus, and it…
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Full text Article Yellow Fever

From Human Diseases and Conditions
CDC. The urban cycle (left) involves transmission...
Yellow fever is an infectious disease caused by a virus that is transmitted to humans by mosquitoes . Yellow fever is a disease caused by yellow fever virus, a member of the Flavivirus (FLAY-vih-vy-rus) group of viruses. The disease gets its name because it often causes jaundice 4308 , which tints…
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Full text Article Yellow Fever

From Gale Encyclopedia of Medicine
Yellow fever, also known as sylvatic fever and viral hemorrhagic fever or VHF, is a severe infectious disease caused by a type of virus called a flavivirus. This flavivirus can cause outbreaks of epidemic proportions throughout Africa and tropical America. As of 2019, ongoing outbreaks of yellow…
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Full text Article Yellow Fever

From Encyclopedia of Insects
Yellow Fever
Yellow fever virus is the prototype of the family Flaviviridae, which includes approximately 70 single-stranded RNA viruses, the majority of which are transmitted by mosquitoes or ticks. Yellow fever virus is transmitted principally by insects (mosquitoes), but ticks ( Amblyomma variegatum ) may…
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Full text Article Yellow Fever

From Health Reference Series: Global Pandemics and Epidemics and How They Relate to You Full text Article Major Pandemics and Epidemics
The Global Impact of Yellow Fever Yellow fever virus (YFV) is estimated to cause 200,000 cases of disease and 30,000 deaths each year, with 90 percent occurring in Africa. 20 to 50 percent of infected persons who develop severe disease die. Yellow fever virus is transmitted to people primarily…
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Full text Article YELLOW FEVER

From Teen Health Series: Traveler's Health and Safety Information for Teens
About This Chapter: This chapter includes text excerpted from “Yellow Fever,” Centers for Disease Control and Prevention (CDC), September 12, 2019. Yellow fever is a disease caused by a virus that is spread through mosquito bites. Symptoms take 3 to 6 days to develop and include fever, chills, …
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Full text Article yellow fever

From Merriam-Webster's Medical Dictionary
an infectious disease of sudden onset that is endemic in sub-Saharan Africa and tropical South America and includes acute symptoms (as fever, muscle pain, headache, and nausea) which typically resolve within a few days but are sometimes followed by more serious symptoms (as jaundice, abdominal pain, …
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Full text Article yellow fever

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
Acute tropical viral disease, prevalent in the Caribbean area, Brazil, and on the west coast of Africa. The yellow fever virus is an arbovirus transmitted by mosquitoes. Its symptoms include a high fever, headache, joint and muscle pains, vomiting, and yellowish skin (jaundice, possibly leading to…
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