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    "en": "Yellow fever is an acute viral haemorrhagic disease transmitted by infected mosquitoes (WHO, 2019). <br /> <p>WHO, 2019. <a href=\"https://www.who.int/news-room/fact-sheets/detail/yellow-fever\">Yellow fever. World Health Organization (WHO)</a>. Accessed 18 November 2019.</p>"
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      "Yellow fever virus is an arbovirus of the flavivirus genus and is transmitted by mosquitoes, belonging to the Aedes and Haemogogus genus. The different mosquito species live in different habitats – some breed around houses (domestic), others in the jungle (wild), and some in both habitats (semi-domestic). There are three types of transmission cycles: sylvatic (or jungle) yellow fever; intermediate yellow fever; and urban yellow fever. The virus is endemic in tropical areas of Africa and Central and South America (WHO, 2019). The ‘yellow’ in the name refers to the jaundice that affects some patients (WHO, 2019). Once contracted, the yellow fever virus incubates in the body for 3 to 6 days. Many people do not experience symptoms, but when these do occur, the most common are fever, muscle pain with prominent backache, headache, loss of appetite, and nausea or vomiting. Symptoms disappear after 3 to 4 days (WHO, 2019). A small proportion of patients may enter a more toxic phase within 24 hours of recovering from initial symptoms. High fever returns and usually the liver and the kidneys are affected. People in this phase are likely to develop jaundice (yellowing of the skin and eyes), dark urine and abdominal pain with vomiting. Bleeding can occur from the mouth, nose, eyes or stomach. Half of the patients in this toxic phase die within 7 to 10 days (WHO, 2019). Polymerase chain reaction (PCR) testing in blood and urine can sometimes detect the virus in early stages of the disease. In later stages, testing to identify antibodies is needed (WHO, 2019). The World Health Organization (WHO) has published guidance on case classification and surveillance standards (WHO, 2015)."
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