Aedes aegypti is the primary transmitter of the four viruses that have had the greatest impact on human health, the viruses causing yellow fever, dengue fever, chikungunya, and zika fever. Zika virus, dengue virus, yellow fever virus and chikungunya virus as a primary vector in certain parts of the world 1. Pdf dispersal of the dengue vector aedes aegypti within. Pdf accounting for variation in mosquito vector populations will improve dengue surveillance and prevention. Communitybased dengue vector control mandaluyong city, philippines. Guidelines for diagnosis, treatment, prevention and control chapter 4 lead writers. A four year study was conducted on a natural population of imma ture stages of aedes aegypti after the reinvasion. Pdf control del vector del dengue utilizando fracciones. Aedes aegypti mosquito general information1 more information on life cycle available in annex 1. Aedes aegypti as a vector of flavivirus longdom publishing sl. Pdf dispersal of the dengue vector aedes aegypti within and. Due to the zika outbreak, which started in brazil in 2015 and rapidly spread with million cases reported in centralsouth america and the. Pdf vector dynamics and transmission of dengue virus. Aedes stegomyia aegypti linneaus is the major urban vector of dengue viruses worldwide.
For the purpose of this document, the focus will be on the main vector for zika, yellow fever, dengue, and chikungunya based on current evidence. Aedes aegypti is associated with dengue, yellow fever, chikungunya and zika viruses. Ecology of aedes aegypti, the mosquito vector of dengue. Health experts have known about dengue fever for more than 200 years. This disease used to be called breakbone fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking. Dengue is transmitted by an infected female mosquito. Valley region of texas directly borders mexico, and has experienced dengue transmission in the past concurrent with outbreaks in mexico. This is the first study to examine the population genetic. Despite the lack of uniformity in the procedures to test for vector competence and a focus on sampling mosquitoes in geographic areas with endemic arboviral infections or with significant epidemics i. Nevertheless, scientists understanding of dengue virus may be simplistic, as rather than distinct antigenic groups, a continuum appears.
Key learning points from vector control for dengue prevention. Pdf pengendalian terpadu vektor virus demam berdarah. Dispersal of the dengue vector aedes aegypti within and between rural communities article pdf available in the american journal of tropical medicine and hygiene 722. Pdf dengue is a vector borne disease transmitted to humans by aedes aegypti mosquitoes carrying virus of different serotypes. It is clinically manifested as a subclinical infection, with undifferentiated fever the socalled dengue fever, and in a small number of individuals the dengue hemorrhagic fever dengue shock syndrome. The views expressed in this publication are those of the authors and do not necessarily reflect. Aedes aegypti vector control and prevention measures in. Five serotypes of the virus have been found, all of which can cause the full spectrum of disease.
Over the last 25 years, there has been a global increase in both the distribution of a. The emergence and reemergence of epidemic dengue activity has prompted much debate regarding the potential role of climate and climatic. Aedes aegypti is primarily a daytime feeder and mainly bites in the. It can be identified by the white bands or scale patterns on its legs and thorax. Pdf summary integrated control of dengue hemorrhagic fever vectors, aedes aegypti linn.
Aedes aegypti the most common epidemic vector of dengue in the world is the aedes aegypti mosquito. Quantifying the epidemiological impact of vector control on dengue. A critical assessment of vector control for dengue prevention. Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. To study dengue vector breeding patterns under a variety of conditions in public and private spaces. Aedes aegypti, the principal mosquito vector of dengue viruses is an. Dengue vectors, human activity, and dengue virus transmission. Tracking the return of aedes aegypti to brazil, the major. Goals objectives the goal of this research project is to increase our understanding of the factors that influence the vectorial capacity of aedes aegypti, the mosquito vector of dengue fever at the edge of its range.
Because this mosquito is easy to rear in the laboratory and these viruses grow in laboratory tissue culture cells, many studies have been performed testing the relative competence of different. Ecobiosocial determinants of dengue vector breeding. This vector is widespread in tropical and subtropical areas, and can also occur in temperate areas at higher latitudes. It is a mosquitoborne, single positivestranded rna virus of the family flaviviridae. Determine what characteristic of older houses explains the observed association between house age and ae. Abstract dengue virus denv is responsible for the clinical entity known as dengue that is a great concern for economy and public health of tropical countries. The new clinical classifications are dengue and severe dengue. Pdf pengendalian terpadu vektor virus demam berdarah dengue. Author summary aedes aegypti yellow fever mosquito is of great medical concern because it is the primary vector of important viruses causing dengue fever, chikungunya and zika, as well as increasingly transmitting yellow fever once again. Most research on dengue vectors focuses on the biological and behavioural characteristics of the insect,14 the efficacy and cost of specific interventions,15 and.
Control del vector aedes aegypti y medidas preventivas en. Dr harvey artsob, dr jane cardosa, dr renu dayaldrager, dr duane gubler, dr maria guzman, dr elizabeth hunsperger, dr lucy lum, dr eric martinez, dr jose pelegrino, dr susana vazquez. Dengue vector control experimental design considerations. Aedes aegypti will be the primary target of our intervention. Due to the zika outbreak, which started in brazil in 2015 and rapidly spread with million cases reported in centralsouth america and the caribbean. Population dynamics of the immature stages of aedes aegypti diptera. Pdf dynamics of dengue disease with human and vector mobility.217 1562 1324 1301 175 1495 1158 362 69 1378 1537 974 1600 620 1619 318 1662 157 1575 1292 1358 1446 240 297 170 1590 1202 1020 841 476 1109 837 1227 1268 1393 993 329 1446 734