Er is nog geen vaccin tegen chikungunyavirus beschikbaar. These cases occurred in people from rural areas in bolivar department. Nov 20, 2015 infections transmitted by the aedes mosquito have spread significantly in colombia, including dengue fever, chikungunya and zika virus. Outbreak of chikungunya virus in the north caribbean area of colombia. The virus has circulated in forested regions of subsaharan african in cycles involving nonhuman primate hosts and arboreal mosquito vectors.
Chikungunya means that which bends up in the makonde language spoken in a border area between mozambique and tanzania where the first outbreak was described, which refers to the arthritis that the infection can cause. The virus causes chikungunya fever, a disease that was first recorded in 195253 in an outbreak on the makonde plateau, located on the border between mozambique and tanzania in africa. Unfortunately since that year, chikungunya chikv arrived as a relevant secondary arboviral disease, with the possibility of cocirculation in endemic zones as well even of coinfections 1 and 2. Cocirculation of dengue, chikungunya, and zika viruses in.
Determine chikungunya case classification appendix b a. Genomic epidemiology of chikungunya virus in colombia reveals. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. In the western hemisphere, the cycle is currently maintained in a humanmosquito cycle. A virus spread through aedes species mosquito bites.
Cases are reported to cdc by state and local health departments using standard case definitions. Bogota afp the virus chikungunya has killed 25 people in colombia in less than a year, the national health institute said. In some cases, chikungunya is asymptomatic persons do not exhibit symptoms. Apr 28, 2015 bogota afp the virus chikungunya has killed 25 people in colombia in less than a year, the national health institute said. Im booked to visit colombia and in particular a lodge near tayrona national park and then heading to cartagena. The caribbean area of colombia has been severely affected by a chikungunya virus chikv. Since the illness was identified in colombia in july 2014, more than. In the americas in 2015, 693 489 suspected cases and 37480 confirmed cases of chikungunya were reportedto the pan american health organization paho regional office, of which colombia bore the biggest burden with 356 079 suspected cases. In colombia, the first laboratoryconfirmed autochthonous cases of chikv were reported in september 2014.
These same mutations may affect the efficacy of potential chikv vaccines. Deze muggen kunnen naast chikungunya onder andere ook dengue en zikavirus overdragen. Chikungunya is an illness caused by a virus that spreads through mosquito bites. The disease is transmitted predominantly by aedes aegypti and ae. Phylogenetic studies indicate that the urban transmission cyclethe transmission of a pathogen between humans and mosquitoes that exist in. After an initial outbreak of the virus affecting 5,000 in september, the virus is reportedly spreading again. Download pdf bmc infectious diseases biomed central. The cumulative estimated number of cases until november 2014 was 22 372. Chikungunya fever is an emerging disease that has spread explosively from africa to the islands of the indian ocean, india, southeast asia, europe, and, more recently, to the americas, where it arrived via the caribbean islands causing a major epidemic. Chikungunya is a mosquitoborne disease that often causes fever and joint pain. An analysis of the chikungunya viruss genetic code suggests that the increased severity of the 2005present outbreak may be due to a change in the genetic sequence, altering the virus viral coat protein, which potentially allows it to multiply more easily in mosquito cells. Es una enfermedad endemica en asia, africa y oceania y a fnales del 20, aparecio en america, donde ha ocasionado epidemias en republica dominicana, colombia, venezuela, brasil, bolivia, entre otros. Chikungunya virus chikv is an arthropodborne alphavirus primarily transmitted by aedes mosquitoes, which are endemic in tropical areas of africa and asia. Italy in 2007 and france in 2010 and 2014 reported autochthonous chikungunya cases following introduction of the virus 79.
Palabras clave chikungunya transmision 1 md, msc en epidemiologia. Travelers who go to africa, asia, parts of central and south america, and islands in the indian ocean. It is also capable of causing explosive outbreaks of human disease in areas with no prior immunity, such as those in. In colombia, by the 51st week of 2016, a to tal of 19,525 cases of chikv had been reported. Chikungunya is spread by mosquitoes and is characterised by severe joint pains with fever. Since the illness was identified in colombia in july 2014, more than 180,000 cases have been confirmed, 25 people have died, and another 17 deaths are still being investigated as possibly caused by the virus, data from the institute shows. Chikungunya disease directory travelers health cdc. Chikungunya virus is a mosquitoborne alphavirus that causes fever and debilitating joint pains in humans. The most common symptoms of infection are fever and joint pain. Virus chikungunya in colombia, a simple matter of time. Pdf virus chikungunya in colombia, a simple matter of. The chikungunya chik virus was recently reported by the cdc to have spread to the united states. Pregnant women hospitalized with chikungunya virus. Epidemiology of chikungunya in the americas the journal.
We report an early documented case of chik from the state of pennsylvania after a patient recently returned from haiti in june of 2014. Local transmission means that mosquitoes in the area have been infected with the virus and are spreading it to people. Isolated cases of locally acquired chikungunya have occurred in the usa, italy and france. Chikungunya virus also known as chikv is an alphavirus transmitted by the aedes species of mosquitoes. A risk to anyone traveling to a region of the world where chikungunya virus is found. The virus is transmitted through the bite of infected daytime biting female primarily aedes aegypti and aedes albopictus. Dec 02, 2014 authorities in the north of colombia have reported a dramatic rise in cases of the dangerous chikungunya virus in the past days. Cocirculacao dos virus dengue, chikungunya e zika na colombia, 20082018.
Pdf local and regional dynamics of chikungunya virus. The alphaviruses conssit o f 29 species,includi ngeastern, western, and venezuelan equine encephalitis viruses among others. Aedes mosquitoes also spread dengue and zika viruses. You can become infected after traveling to other parts of the world, especially the caribbean. It is vectored primarily by the tropical and subtropical mosquito, aedes aegypti, but is also found to be. Chikungunya is an infection caused by the chikungunya virus chikv. Resources for healthcare providers chikungunya virus cdc. Patient with positive chikungunya virus test results continued 7. First case of chikungunya virus reported in colombia. During 2014 and 2015 the chikungunya virus reached colombia unleashing an epidemic that. Outbreaks have occurred in countries in africa, asia, europe, and the indian and pacific oceans.
The disease has also been found in parts of africa, asia, europe, and the indian and pacific oceans. The virus is transmitted by aedes mosquitos, the most important of which are a. From 2014 to 2016, 19 435 chikv cases were reported in colombia. Know more about the symptoms and treatment of chikungunya in this presentation ppt. Prior to 20, chikungunya virus cases and outbreaks had been identified in countries in africa, asia, europe, and the indian and pacific oceans. In colombia, the dengue virus denv has been endemic for decades, and with the recent entry of the chikungunya virus chikv 2014 and the. Chikungunya virus an overview sciencedirect topics. Chikungunya virus disease became a nationally notifiable condition in 2015. There was no autochthonous chikungunya transmission in continental eueea.
The virus then spread throughout most of the americas. Local and regional dynamics of chikungunya virus transmission in colombia. Chikungunya virus chikv is a mosquitotransmitted alphavirus that causes explosive epidemics of a severe febrile illness characterized by debilitating polyarthralgia, polyarthritis, tenosynovitis, myalgia, headache, and rash weaver and lecuit, 2015. The word chikungunya means that which bends up, an allusion to the posture of the suffering patients. Chikungunya is a viral disease transmitted by aedes mosquitoes to humans. Chikungunya virus chikv is an arboviral arthropodborne disease. Economic costs of chikungunya virus in colombia sciencedirect. Symptoms include sudden fever and severe muscle and joint pain. These typically occur two to twelve days after exposure. Other symptoms may include headache, muscle pain, joint swelling, and a rash. Microbiologia y virologia jose moises diaz hernandez 2.
Report case to mdch selecting the unusual occurrence form in mdss, and enter chikungunya in the text box at the top of the form. In latin america, until 2014, dengue denv was the only virus transmitted significantly by aedes spp. In late 20, the first local transmission of chikungunya virus in the americas was identified in caribbean countries and territories. Oct 23, 2015 chikungunya virus does not cause death directly but in the presence of other comorbidities it may contribute to a fatal outcome. Chikungunya virus is spread to people by the bite of an infected mosquito. Jan 21, 2015 the chikungunya chik virus was recently reported by the cdc to have spread to the united states. Chikungunya is a viral infection caused by the chik virus belonging to the togaviridae family. Global expansion of chikungunya virus international journal of. Acute infection with chikv is characterized by high fever, asthenia, headache, emesis. The virus is transmitted through the bite of infected daytime biting female primarily aedes aegypti and aedes albopictus mosquitoes. Other symptoms may include headache, muscle pain, joint swelling, or rash.
Chikungunya virus infection in indonesia bmc infectious diseases. A number of chikungunya outbreaks have occurred since 2005. Caribbean and the americas ongoing surveillance on chikungunya virus in caribbean and the americas between 1 january and 17 july 2015, a total of 443,779 suspected cases of chikungunya virus chikv including 60 deaths have been reported in the caribbean and the americas. These recurrent events highlight the risk of local transmission of chikungunya virus in areas where competent mosquito vectors are established. Chikungunya virus chikv is an arbovirus belonging to the alphavirus genus of the togaviridae family. Those with symptoms usually get ill 312 days after being bitten by an infected mosquito.
Links with this icon indicate that you are leaving the cdc website the centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal website. Reproduction in whole or in part, or translation without written permission is prohibited. Chikungunya virus, infectious agent of the genus alphavirus in the family togaviridae. Chikungunya is a mosquitoborne alpha virus that was first isolated after a 1952 outbreak in modernday tanzania. The rate of chikungunya infection in colombia seems to be high and increasing especially in these areas see a map of reported.
Linking to a nonfederal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website. Chikungunya virus chikv is a mosquitotransmitted alphavirus that is emerging as a global threat because of the. The most common symptoms of chikungunya are fever and joint pain. Current and historical conditions indexed list of current and historical nationally notifiable conditions. The disease chikungunya is a viral disease that is transmitted to people by mosquitoes it has occurred in africa, southern europe, southeast asia, and islands in the indian and pacific oceans in late 20, chikungunya was found for the first time in. Original article outbreak of chikungunya virus in the north. Global risk outbreaks have occurred in parts of africa, europe. Since then, local transmission has been confirmed in the dutch part of saint martin, anguilla, british virgin islands, dominica, french 1. Death is thought to occur in less than 1 in 1,000 cases and is more likely in young babies, the elderly and those with comorbidity. Chikungunya virus infection symptoms, diagnosis and. This was less than in 2014 when more than 1 million suspected cases were reported in the same region. Chikungunya virus chikv is an rna alphavirus of the family togaviridae.
126 530 1125 248 1414 872 1447 1538 1291 1357 1376 1559 1139 576 388 623 148 279 978 623 523 816 950 1435 657 755 467 596 410 1368 869 1252 187 39 650 338 177 34 762 937 543 822