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| Image/CDC |
The yellowfever outbreak, which has affected 26 localities in Darfur, has seen atotal of 459 suspected cases including 116 deaths as of last Saturday.
An outbreak investigation teamled by the Ministry of Health, with support from WHO, are in the field toassess the extent of the outbreak and prioritize areas for the mass vaccinationcampaign.
According to theWHO, yellow fever is an acute viral hemorrhagic disease transmitted by infectedmosquitoes. The “yellow” in the name refers to the jaundice that affects some patients.The yellow fever virus is an arbovirus of the flavivirus genus, and themosquito is the primary vector. It carries the virus from one host to another,primarily between monkeys, from monkeys to humans, and from person-to-person.
Oncecontracted, the virus incubates in the body for 3 to 6 days, followed by infection thatcan occur in one or two phases. The first acute phase usually causes fever,muscle pain with prominent backache, headache, shivers, loss ofappetite, and nausea or vomiting. Most patients improve and their symptoms disappearafter 3 to 4 days.
One confirmedcase of yellow fever in an unvaccinated population should be considered anoutbreak and a confirmed case in any context must be fully investigated,particularly in any area where most of the population has been vaccinated.
There is nospecific treatment for the viral illness but it can be containedusing bed nets, insect repellents and long clothing.
Prevention ofthis viral disease is through vaccination.
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