The dengue viruses encompass four different serotypes, each of which can lead to dengue. The world health organization recommends that the vaccine only be given to persons with confirmed prior dengue. Up to 100 million cases of dengue fever df and 500,000 cases of dengue hemorrhagic fever dhf and several thousands deaths are estimated to occur annually worldwide who. Dengue virusdv infection occurs in more than 100 countries and over 2. Forty percent of the worlds population, about 3 billion people, live in areas with a risk of dengue. Of 8 dengue patients, 2 had signs and symptoms of dengue infection. Symptoms of the disease include fever, headache, pain behind the eyes, muscle and joint pain, and rash. Dengue viruses are spread to people through the bite of an infected aedes species ae. Dengue virus is the causative agent of a wide spectrum of clinical manifestations, ranging from mild acute febrile illness to classical df and dhf. Dengue fever is a mosquitoborne infection that causes severe flulike symptoms and can be fatal.
Dengue fever is a disease spread by the aedes aegypti mosquito and caused by one of four dengue viruses that are closely related. Suspected cases of meningitis with other pathologic changes might also be confused with dengue cases with cns involvement 10. Dengue is common in more than 100 countries around the world. There is no treatment for dengue fever, and about 40 percent of the worlds population is at risk. An ovitrap used to monitor the presence of the asian tiger mosquito aedes albopictus in the swiss canton of ticino. It is the fastestgrowing mosquitoborne viral infection in the world. This is found in tropical and subtropical regions around the world. Nevertheless, scientists understanding of dengue virus may be simplistic, as rather than distinct antigenic groups, a continuum appears.
It is a mosquitoborne, single positivestranded rna virus of the family flaviviridae. Dengue is a complex disease with a wide spectrum of clinical presentations, which often goes unrecognized or is misdiagnosed as other fevercausing tropical diseases. Five serotypes of the virus have been found, all of which can cause the full spectrum of disease. Dengue is often a leading cause of illness in areas. Dengue fever vaccine, symptoms, treatment, prevention. Dengue begins suddenly, with more benign symptoms at first but which may get severe with time. For instance, dengue fever is an endemic illness in many countries in south east asia. Publichealth interventions included encouragement to report to hospital rapidly after the onset of clinical symptoms, contact tracing for confirmed and suspected cases, and quarantining, monitoring, and restricting the travel of contacts. Dengue virus denv is the most common and widespread vectorborne arbovirus in the world, and over the past 30 years, there has been a dramatic increase in incidence and geographic spread. Dhf is caused by the potentially fatal forms of dengue virus infection, which has become an intractable global health problem.
Epidemiological determinants of spread of causal agent of. The presence of fever, itchy rash, and headache the dengue triad is characteristic of dengue. Analysis about dengue fever, its transmitting agent, prevention and control strategies. Agentes causales quimicos by ana lourdes navarro on prezi. Other countries approved its use in adults up to age 45 in endemic areas. Click here to view the thematic webpage of dengue fever causative agentdengue fever is an acute mosquitoborne infection caused by the dengue viruses.
Dengue fever is a viral disease spread by mosquitoes. Dengue fever can, in some cases, be lifethreatening. Create marketing content that resonates with prezi video. Prevention is possible in children ages 916 with a labconfirmed previous dengue infection with a vaccine, dengvaxia, approved by the fda in the u. Clasificacion, diagnostico y tratamiento integral del dengue.
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