Guidelines on the prevention and control of dengue and dengue hemorrhagic fever in the americas. The disease is caused by four serologically and genetically distinct viruses termed dengue virus denv 1, 2, 3 and 4. Dengue management dos and donts x dont use corticosteroids. It is widespread across asia, the pacific, central and southern america and africa where these mosquitoes exist. Dengue fever df, dengue haemorrhagic fever dhf, and dengue shock syndrome dss arboviral infection transmitted by the aedes aegypti mosquito originates in african forests independent of humans breeds in water storage containers. Fever, arthralgia, headache, petechial spots, rash and haemorrhagic manifestations. The vaccine is only recommended in those who have previously had dengue fever or populations in which most people have been previously infected. It takes a week or more for the dengue virus to replicate in the mosquito. How can you keep yourself or children you care for from getting it.
Extra information the ministry of health would like to remind the public to be vigilant towards vector borne diseases especially during the rainy season. Dengue hemorrhagic fever is characterized by high fever, bleeding and liver enlargement. This enveloped virus contains a positive singlestranded rna gen. Platelet transfusions do not decrease the risk of severe bleeding and may instead lead to fluid overload and. Dengue fever frequently asked questions faq for early child care providers 11 march 2016 general questions about dengue fever 1. Dengue hemorrhagic fever dhf and dengue shock syndrome dss are the severe andor fatal clinical manifestations of dengue fever. Aug 17, 2011 management of dengue fever and dengue hemorrhagic fever slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Each denv has four or more genetic groups or genotypes. Dengue is a disease caused by any one of four closely related dengue viruses denv1, denv2, denv3, and denv4. Download fulltext pdf download fulltext pdf dengue virus. In the last 50 years, dengue incidence has increased 30fold, worldwide. Dengue viruses spread to humans by the bite of female mosquitoes. Dengue fever 3 associated problems dengue can occasionally affect several other body systems,15 either in isolation or along with the classic dengue symptoms.
Dengue is a systemic infectious disease of viral etiology, trans. Jan 20, 20 dengue virus infection has become a global threat affecting around 100 countries in the world. These mosquitoes acquire the virus while feeding on the blood of an infected person. Other niaidfunded investigators are working to develop dengue vaccines using different live. Mar 12, 2020 dengue is an infection caused by a virus. The vaccine approach that is currently been evaluated at niaid for efficacy against dengue animal models and human trials is a weakened recombinant version liveattenuated of the dengue virus. Comparison of dengue2 and dengue3 virus strains by neutralization tests and identification of a subtype of dengue3. The value of the vaccine is limited by the fact that it may increase the. During 19602010, a total of 22 countries in africa reported sporadic cases or outbreaks of dengue. Currently, there is no licensed antiviral agent available against dengue. Dec 10, 2014 background information word origin may be derived from swahili or spanish 3 forms of dengue.
Dengue is among the most important mosquitoborne viral disease in the world. This disease used to be called breakbone fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking. If you continue browsing the site, you agree to the use of cookies on this website. Treatment for dengue and dengue hemorrhagic fever is supportive. Recovery of dengue4 viruses from mosquito vectors and patients during an epidemic of dengue hemorrhagic fever. Dengue encephalitis sir, dengue fever has variable clinical spectrum ranging from asymptomatic infection to lifethreatening dengue haemorrhagic fever and dengue shock syndrome.
The mosquito becomes infected when it bites a person who has dengue virus in their blood. Thus, there is a strong need to develop therapeutic strategies that can tackle this. Fisiopatologia del dengue pan american health organization. Background information word origin may be derived from swahili or spanish 3 forms of dengue. People get dengue from the bite of an infected mosquito. Natural strain variation and antibody neutralization of dengue serotype3 viruses. Dengue fever frequently asked questions faq for early child. Genotypespecific neutralization and protection by antibodies against dengue vir type 3. Dengue fever frequently asked questions faq for early. Mosquitos are a disease carrying vectors that could infect the public such as dengue, malaria, chikungunyam filariasis and japanese encephalitis. Dengue fever is common in tropical areas, so take extra precautions if you travel somewhere with this type of climate. Symptoms include a high fever, headaches, joint and muscle pain, vomiting, and a rash.
Reported incidence of dengue has increased worldwide in recent decades, but little is known about its incidence in africa. Dengue is the most common vectorborne viral disease in the world, causing an estimated 50 to 100 million infections globally each year and 25,000 deaths. Dengue virus denv infection is the wildest mosquitoborne infection affecting 2. Dengue is a viral disease transmitted by some types of mosquitoes. Dengue is a disease caused by infection with one of the four dengue virus serotypes denv1, 2, 3, and 4. What is dengue and how can you keep from getting it. Studies on dengue and dengue haemorrhagic feverdhf in. They are not indicated and can increase the risk of gi bleeding, hyperglycemia, and immunosuppression. Dengue fever is a virus transmitted by the bite of infected aedes aegypti mosquitoes.
Dengue vaccine is a vaccine used to prevent dengue fever in humans. Symptoms typically begin three to fourteen days after infection. The incidence of dengue has jumped sharply in recent decades as the disease has spread into new geographic regions. These viruses are related to the viruses that cause. This enveloped virus contains a positive singlestranded rna genome. X dont give platelet transfusions for a low platelet count. Denv is a member of flaviviridae family and is transmitted to humans by infected female aedes genus, especially aedes aegypti or aedes albopictus. There are four serotypes of dengue virus denv 14 that manifest with. Dengue pronounced dengee fever is a painful, debilitating mosquitoborne disease caused by any one of four closely related dengue viruses. The presence of disease and high prevalence of antibody to.
Soares, jose luis, health program, editora scipione, 2nd edition, 1994. Introduction in the city of balikpapan, dengue hemorrhagic fever dhf is the leading cause of hospital admission for ages below 5 years of age and the fifth most common cause of death. Soroepidemiologica retrospective analysis of dengue virus. Dengue fiebre hemorragica del dengue english version. It requires urgent hospitalization as it may even lead to death. Dengue alert visits to your health care practitioner is a must there is no specific treatment for classic dengue fever, and like most people you will recover completely within 2 weeks to help with recovery, health care experts recommend getting plenty of bed rest drinking lots of fluids taking medicine to reduce fever for severe dengue symptoms, including shock and. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash. Health experts have known about dengue fever for more than 200 years. Dengue fever and dengue hemorrhagic fever are viral diseases transmitted by aedes mosquitoes, usually aedes aegypti. Management of dengue fever dengue hemorrhagic fever. Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. As of 2019, one version is commercially available, known as cydtdv, and sold under the brand name dengvaxia. Dengue outbreaks occur each year in north queensland following cases imported from overseas.
Dengue fever is a virus transmitted to humans through bites from the aedes mosquito, a daybiting mosquito. Dengue fever is a mosquitoborne tropical disease caused by the dengue virus. In a small proportion of cases, the disease develops into severe dengue, also known as dengue. Niaid researchers are actively engaged in the search for an effective vaccine against dengue fever. Management of dengue fever and dengue hemorrhagic fever slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In the tropics and subtropics, it is a leading cause of illness and death.
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