Pdf epidemiologia del dengue fever

Dengue epidemiology and burden of disease in latin america. The first recorded outbreak due to denv3 in venezuela dates to 1964 and the virus then seems to have disappeared. Dengue virus is transmitted to humans by aedes aegypti mosquitoes. This disease used to be called breakbone fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking. Cifuentes,1 james trostle, gabriel trueba, meghan milbrath, manuel e. Materials and methods dengue surveillance prior to 1997. Aedes aegypti prefers to lay its eggs in artificial water containers, to live in close proximity to humans, and to feed off people rather than other vertebrates. Dengue fever is a virus transmitted to humans through bites from the aedes mosquito, a daybiting mosquito.

To assess the socioecological risk factors associated with dengue and mosquito. Author summary dengue disease is a tropical and subtropical mosquitoborne viral illness, and is a major public health concern in all endemic countries. Current and historical conditions indexed list of current and historical nationally notifiable conditions. Control the fever give acetaminophen every 6 hours maximum 4 doses per day. Several factors are related to the pathogenesis of the disease. The weekly number of dengue cases in peru, south america, stratified by province for the period 19942006 were analysed in conjunction with associated demographic, geographic and climatological data. Mar 14, 2018 to assess the presence of dengue, chikungunya, and zika in serum samples of patients with acute febrile illness in piura, peru and describe the most common clinical features. The viruses that cause dengue fever are related to those that. Dengue fever is a mosquitoborne tropical disease caused by the dengue virus. Dengue in the americas watch level 1, practice usual.

Regarding the incidence of classic dengue from prospective studies, two studies carried out in nicaragua reported data from a cohort of 3800 children aged 2 to 9 years during the years 2004 to 2008 44, 45. The wide clinical spectrum ranges from asymptomatic infections or mild illness, to the more severe forms of infection such as dengue hemorrhagic fever or dengue shock. Flaviviruses dengue, yellow fever, japanese encephalitis, west nile encephalitis, st. Death and hospitalization rates for dengue hemorrhagic fever dengue shock syndrome dhfdss per 10 000 secondary dengue 2 infections were compared in the same age group for two dengue 2 den2 epidemics in cuba. Sponge patients skin with tepid water when temperature is high. The annual number of uncomplicated dengue cases reported increased from 1,714 in 2000 to 15,424 in 2011 incidence rates of 1. This virus is the causative agent of dengue fever and severe forms. Dengue fever is a systemic infectious disease of viral etiology transmitted by mosquitoes of the genus aedes. Eisenberg in tropical areas, the predominant cause of fever has historically been malaria. Epidemiological trends of dengue disease in mexico 20002011. Dengue fever is a disease spread by the aedes aegypti mosquito and caused by one of four dengue viruses that are closely related. Dengue is a complex disease with a wide spectrum of clinical presentations, which often goes unrecognized or is misdiagnosed as other fever causing tropical diseases. To assess the socioecological risk factors associated with dengue and mosquito vector.

The virus seems to have no detrimental effect on the mosquito, which remains infected for life. Altri progetti wikimedia commons wikimedia commons contiene immagini o altri file su febbre dengue collegamenti esterni modifica en dengue, su enciclopedia britannica, encyclop. During the past 40 years, dengue haemorrhagic fever and dengue shock syndrome dhfdss have emerged in humans, with approximately 3 million cases reported and over 58 000 deaths. Among the 170 samples positive for dengue, serotype 2 was the most predominant type. Pdf description of the epidemiology of dengue in colombia since the 1970s to 2012. Around the time the fever begins to subside usually 37 days after symptom onset, the patient may develop warning signs of severe disease. It is estimated that for week 36 of 2016 there have been a total of 8975 cases of dengue, 2081 of which correspond to severe dengue, with 11 deaths. Dengue symptoms, diagnosis and treatment bmj best practice. Spatial and temporal dynamics of dengue fever in peru. To understand the possible effect that length of time has on disease severity with sequential dengue infections. Our aim was to determine the impact of dengue disease on the mexican population over time, and to identify future research priorities and challenges of the surveillance system. The actual numbers of dengue cases are underreported and many cases are misclassified.

Dengue is widespread throughout the tropics, with risk factors influenced by local spatial variations of rainfall, temperature, relative humidity, degree of urbanization and quality of vector control services in urban areas. Identification of infection by chikungunya, zika, and dengue. Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. In america, dengue fever is considered the most important. On august 27, 2005, tamaulipas state health services reported to tdshs that an outbreak of dengue fever in the border state had grown to 1,251 cases that met the mexico case definition i.

These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash. Dengue, shock por dengue y manifestaciones atipicas. Dengue epidemiologia, fisiopatologia, evolucao e tratamento. The disease can take up to 2 weeks to develop with illness generally lasting less than a week. Dengue was the most common arbovirus detected in 170496 34. Haemorragic dengue fever appeared in mexico in 1984, after 1994 an explosive increase was. Before 1970, only nine countries had experienced severe dengue epidemics. After the 1981 dhfdss epidemic, a passive dengue surveillance system was established in the entire country. Molecular epidemiology of dengue virus type 3 in venezuela.

Major changes in the epidemiology of dengue virus infections began after world war ii, and geographic expansion of transmission has continued to date. Regional office for the americas of the world health organization 525 twentythird street, n. Dengue fever is one of the most important viral diseases in the world. Records of denguelike illness date back more than 200 years. Dengue fever is a severe, flulike illness that affects infants, young children and adults, but seldom causes death. In brazil it is mainly transmitted by aedes aegypti mosquitoes. Mar 24, 20 dengue resumo infectologia canal resumed. In 2008, we noted that the global reemergence of dengue fever threatened u. Regarding dengue haemorrhagic fever, equivalent to dengue with warning signs and severe dengue, in that same year, a total of 5626 cases were reported. To analize the secular trend, geographic distribution and mainly afected age groups in dengue and haemorragic dengue fever. Socioecological factors associated with dengue risk.

Find, read and cite all the research you need on researchgate. Dengue is a disease caused by a virus spread through mosquito bites. It is an increasing threat to global public health. Author summary dengue is the most rapidly spreading mosquitoborne viral disease in the world and approximately 2. Transition in the cause of fever from malaria to dengue. Nov 01, 2000 here we report measurements of primary and secondary den2 infections during the 1997 outbreak and calculate infectionspecific dengue fever and dengue hemorrhagic fever attack rates. In mexico, dengue is the most common vectorborne disease and the one with the greatest morbidity and mortality of all. Do not give ibuprofen, aspirin, or aspirin containing drugs.

Epidemiological trends of dengue disease in mexico 2000. Symptoms typically begin three to fourteen days after infection. Dengue hemorrhagic fever and dengue shock syndrome some patients with dengue fever go on to develop dengue hemorrhagic fever dhf, a severe and sometimes fatal form of the disease. Molecular evolution and distribution of denguevirustype1and2innature. Dengue virus serotypes 1, 2 and 4 denv1, 2 and 4 have been cocirculating in venezuela for at least the past 10 years, causing minor or major outbreaks of dengue fever df and dhfdss. Il termine swahili dinga potrebbe derivare dalla parola spagnola dengue, che significa fastidioso, attento, termini che descrivono landatura di una persona che soffre il. Clinical and epidemiological aspects of dengue in hospitalized patient. This increase is believed to be to be due to multiple factors. We report results of a 2014 pilot study conducted in puerto ayora pa on santa cruz island, and puerto baquerizo moreno pb on san cristobal island. Health experts have known about dengue fever for more than 200 years. Health effects from dengue include fever, headache, nausea, vomiting, rash, muscle and joint pain, and minor bleeding. Epidemiologia y control del dengue en rd home facebook.

One recent 20 estimate indicates that 390 million dengue infections occur every year 95% credible interval 284528 million, of which 96 million 676 million manifest clinically with any severity of disease. Dengue should be suspected when a high fever 40c104f is accompanied by 2 of the following symptoms. En a worldwide mapping of dengue antiviral research 2010. Cause of fever from malaria to dengue, northwestern ecuador, 19902011 sara g. In a small proportion of cases, the disease develops into severe dengue, also known as dengue. Dengue fever is common in tropical areas, so take extra precautions if you travel somewhere with this type of.

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