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Topic: Yellow fever


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In the News (Sun 21 Oct 18)

  
  Home - CDC Yellow Fever
Yellow fever, a flavivirus, is transmitted to humans through the bite of infected mosquitoes.
Yellow fever disease is diagnosed based on symptoms, physical findings, laboratory testing, and the possibility of exposure to infected mosquitoes.
Yellow fever is common in West and Central Africa and in parts of South America (see map).
www.cdc.gov /ncidod/dvbid/yellowfever   (189 words)

  
  Yellow fever - Wikipedia, the free encyclopedia
Yellow fever is caused by an arbovirus of the family Flaviviridae, and is one of the smallest RNA viruses isolated.
A vaccine for yellow fever was developed which gives a 10-year or more immunity from the disease and effectively protects people traveling to the affected areas whilst being a means to control the disease at the same time.
The results of this study suggest that ribavirin may be effective in the early treatment of yellow fever, and that its mechanism of action in reducing liver pathology in yellow fever virus infection may be similar to that observed with ribavirin in the treatment of hepatitis C, a virus related to yellow fever.
en.wikipedia.org /wiki/Yellow_fever   (2287 words)

  
 Yellow Fever - MSN Encarta
Yellow Fever, noncontagious, infectious disease, caused by a virus, and characterized in severe cases by high fever and jaundice.
Originally yellow fever was believed to be exclusively a disease of humans, but research has revealed that it also affects monkeys and other animals.
This second stage is marked by jaundice, hemorrhage from mucous membranes, vomiting of blood (the characteristic, so-called fl vomit of yellow fever), and fatty degeneration of the liver, kidneys, and heart.
encarta.msn.com /encyclopedia_761568804/Yellow_Fever.html   (544 words)

  
 Yellow fever
Yellow fever, which is 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.
Yellow fever's incubation period (the amount of time between the introduction of the virus into the host and the development of symptoms) is three to six days.
Diagnosis of yellow fever depends on the examination of blood by various techniques in order to demonstrate either yellow fever viral antigens (the part of the virus that stimulates the patient's immune system to respond) or specific antibodies (specific cells produced by the patient's immune system which are directed against the yellow fever virus).
www.healthatoz.com /healthatoz/Atoz/ency/yellow_fever.jsp   (1681 words)

  
 Yellow Fever: Description, Vector, Mechanisms, Symptoms, etc.
Urban yellow fever is transmitted by the Aedes aegypti mosquito.
The shift from jungle yellow fever to urban yellow fever is thought to be the result of humans entering the sylvan setting and becoming part of the yellow-fever cycle: Initially, wood cutters and other forest workers were bitten by forest-canopy mosquitoes carrying the yellow-fever virus.
Yellow fever was the first human microbial disease discovered to be caused by an agent which could be filtered and yet was smaller than any known bacteria.
www.tarakharper.com /v_yellow.htm   (1818 words)

  
 Lifespan's A - Z Health Information Library - Yellow fever   (Site not responding. Last check: 2007-10-31)
Yellow fever is a viral infection transmitted by mosquitoes that causes fever, jaundice, kidney failure, and bleeding.
Yellow fever is caused by a small virus that is spread by the bite of mosquitoes.
Seek medical attention at least 10-14 days before travelling to an endemic area for yellow fever to determine whether you should be vaccinated against the disease.
www.lifespan.org /adam/healthillustratedencyclopedia/1/001365.html   (495 words)

  
 Yellow Fever Facts
Yellow fever is a tropical disease that is spread to humans by infected mosquitoes.
Jungle yellow fever is mainly a disease of monkeys.
Yellow fever is common in West and Central Africa and in parts of South America.
www.astdhpphe.org /infect/yellow.html   (732 words)

  
 Yellow Fever Vaccine And Yellow Fever Vaccination Guide
The Yellow Fever vaccine is not available through many family doctors and travellers usually must visit specially approved centres to have the Yellow Fever vaccination.
Yellow Fever is caused by a virus and spread to humans by the bite of an infected mosquito.
Yellow fever is difficult to recognize, especially during the early stages, and can be easily confused with diseases including malaria, typhoid, rickettsial diseases, hemorrhagic viral fevers, dengue fever, and viral hepatitis.
www.yellowfever.com.au   (677 words)

  
 yellow fever
Yellow fever is a viral disease transmitted between humans by mosquitoes.
Although yellow fever is a very rare cause of illness in travelers, most countries require a certificate from travelers arriving from infected areas.
One dose of yellow fever vaccine may be administered to adults and children over 9 months of age.
www.thirdworldtraveler.com /Disease/yellow_fever.html   (636 words)

  
 MedlinePlus Drug Information: Yellow Fever Vaccine (Systemic)   (Site not responding. Last check: 2007-10-31)
Yellow Fever Vaccine is used to prevent infection by the yellow fever virus.
Vaccination against yellow fever is recommended for all persons 9 months of age and older who are traveling to or living in areas of Africa, South America, or other countries where there is yellow fever infection and for people who are traveling to countries that require yellow fever immunization (certificate of vaccination).
The certificate of vaccination for yellow fever is valid for 10 years beginning 10 days after the first vaccination, or on the date of the second vaccination if within 10 years of the first injection.
www.nlm.nih.gov /medlineplus/druginfo/uspdi/202689.html   (1090 words)

  
 eMedicine - Yellow Fever : Article by Natalie T Shum, MD
Pathophysiology: The pathophysiology of yellow fever infection was largely inferred from vaccine studies in rhesus monkeys using the attenuated 17D vaccine.
Yellow fever epidemics were dominant in Africa from 1986-1991, with close to 20,000 cases and 6000 deaths.
Yellow fever vaccine (YF-VAX) -- Vaccine is a live, attenuated virus preparation prepared by culturing the 17D strain virus in living chick embryo.
www.emedicine.com /emerg/topic645.htm   (3373 words)

  
 Yellow fever
Yellow fever is a viral disease of short duration and varying severity that is transmitted primarily by various mosquito species.
Yellow fever is a viral disease of short duration and varying severity that is transmitted primarily by mosquitoes.
No cases of yellow fever infection have been recorded in Australia but a mosquito (Aedes aegypti) capable of carrying and transmitting the yellow fever virus to humans is common in the coastal regions of North Queensland.
www.health.gov.au /internet/wcms/Publishing.nsf/Content/health-pubhlth-strateg-communic-factsheets-yellow.htm   (1143 words)

  
 MDTravel Health - Yellow Fever - vaccine and risk
In urban areas, yellow fever is primarily a disease of humans and is transmitted from person to person by Aedes mosquitoes, which breed in man-made water containers, such as jars, barrels, cisterns, and discarded tires.
Yellow fever vaccine (YF-VAX; Aventis Pasteur Inc.) (PDF) should be given at least ten days prior to arriving in a yellow-fever-endemic area and must be administered at an approved yellow fever vaccination center, which gives each vaccinee a fully validated International Certificate of Vaccination.
Because yellow fever vaccine is produced in chick embryos, it should not be given to those with a history of allergy to eggs.
www.mdtravelhealth.com /infectious/yellow_fever.html   (917 words)

  
 WHO | Yellow fever
Yellow fever (YF) is a viral haemorrhagic fever transmitted by infected mosquitoes.
The "yellow" in the name is explained by the jaundice that affects some patients, causing yellow eyes and yellow skin.
Urban yellow fever results in large explosive epidemics when travellers from rural areas introduce the virus into areas with high human population density.
www.who.int /csr/disease/yellowfev/en   (377 words)

  
 Yellow fever definition - Medical Dictionary definitions of popular medical terms
The virus of yellow fever is transmitted in most cases by a bite of a mosquito.
In the jungle, yellow fever is transmitted from monkeys to people by mosquitoes that breed in tree-holes in the rainforests.
The yellow fever vaccine is a live attenuated (weakened) viral vaccine.
www.medterms.com /script/main/art.asp?articlekey=6054   (559 words)

  
 Yellow Fever Vaccine - health information
Yellow fever is a viral infection transmitted by a mosquito bite.
Yellow fever is present in tropical regions of Central and South America and Africa.
Yellow fever vaccine is a live vaccine cultured in an egg base.
www.mckinley.uiuc.edu /Handouts/yellow_fever_vaccine.html   (547 words)

  
 yellow fever - HighBeam Encyclopedia
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 yellow fever is transmitted in tropical jungles by other species of mosquitoes that live in trees.
At the end of the 19th cent., yellow fever was highly prevalent in the Caribbean area, and a way of controlling it had to be found before construction of the Panama Canal could be undertaken.
www.encyclopedia.com /html/y1/yellowfe.asp   (561 words)

  
 Yellow Fever
Yellow fever is a viral tropical disease that is spread to humans by infected mosquitoes.
Yellow fever is characterized by fever, jaundice (yellow skin and eyes), and hemorrhage.
Urban Yellow Fever is a disease that usually occurs in humans.
www.mamashealth.com /yellow.asp   (354 words)

  
 Yellow Fever   (Site not responding. Last check: 2007-10-31)
Yellow fever is a viral disease that is transmitted by the Aedes aegypti mosquito.
Although it is a rare disease, many countries require that visitors have the yellow fever vaccination prior to entering the country.
Because transmission of yellow fever no longer occurs within the United States, it is important for travelers to talk with their physicians about the need to be immunized prior to visiting areas where yellow fever still exists.
www.healthsystem.virginia.edu /uvahealth/adult_travel/yellow.cfm   (257 words)

  
 Yellow fever - WrongDiagnosis.com
An acute infectious disease primarily of the tropics, caused by a virus and transmitted to man by mosquitoes of the genera Aedes and Haemagogus.
Yellow fever is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH).
This means that Yellow fever, or a subtype of Yellow fever, affects less than 200,000 people in the US population.
www.wrongdiagnosis.com /y/yellow_fever/intro.htm   (775 words)

  
 Chapter 4 - Yellow Fever - Yellow Book | CDC Travelers' Health
Yellow fever is a viral disease that is transmitted to humans through the bite of infected mosquitoes.
The incidence of yellow fever in South America is lower than that in Africa because the mosquitoes that transmit the virus between monkeys in the forest canopy do not often come in contact with humans and because immunity in the indigenous human population is high.
Infection with yellow fever vaccine virus poses a theoretical risk for travelers with immunosuppression in association with HIV infection; leukemia, lymphoma, or generalized malignancy; with a history of thymus disease or thymectomy; or who are receiving corticosteroids, alkylating drugs, antimetabolites, or radiation.
wwwn.cdc.gov /travel/yellowBookCh4-YellowFever.aspx   (4276 words)

  
 Benjamin Rush and Yellow Fever
Despite that Rush was still able to recognize the deaths along the Philadelphia waterfront as yellow fever and react with energy to combat its spread.
He decided the fever was "seated" in the liver, which led him to use calomel in large doses.
He extended his yellow fever therapies to other diseases, and began to consolidate his medical ideas and experiences into a new system of medicine.
www.geocities.com /bobarnebeck/fever1793.html   (1503 words)

  
 Yellow fever
Yellow fever is a serious viral infection, transmitted by mosquitoes in tropical regions.
A classic feature of yellow fever is hepatitis, which is the reason for the yellow colouring of the skin (jaundice) and the name of the disease.
Yellow fever virus belongs to the Flaviviridae family, other members of which cause dengue fever and Japanese encephalitis.
www.netdoctor.co.uk /travel/diseases/yellowfever.htm   (1352 words)

  
 Notifiable Condition: Yellow Fever
Yellow fever exists in nature in two transmission cycles, a sylvatic or jungle cycle that involves mosquitoes and nonhuman primates, and an urban cycle involving Aedes aegypti mosquitoes and humans.
A single subcutaneous injection of a vaccine containing viable attenuated yellow fever 17D strain virus, cultivated in chick embryo, is effective in almost 99% of recipients.
Sylvan or jungle yellow fever, transmitted by Haemagogus and forest species of Aedes, is best controlled by immunization, which is recommended for all people in rural communities whose occupation brings them into forests in yellow fever areas, and for people who intend to visit those areas.
www.doh.wa.gov /notify/guidelines/yellow.htm   (1833 words)

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