Department of health and human services centers for. Your doctor will likely ask about your medical and travel history. Dengue is a viral disease transmitted by some types of mosquitoes. Apr 28, 2010 cdc blogs public health matters blog dengue. Im thinking of taking a trip to india, and im reading about all the potential tropical diseases. Infection with each dengue virus type confers lifetime immunity for that specific virus type. Contact the cdc dengue branch for more information if needed. Dengue fever is a disease spread by the aedes aegypti mosquito and is caused by one of four dengue viruses. Each year, an estimated 390 million people are infected. Dengue classically presents with high fever, headache, body aches, exanthem, and generalized lymphadenopathy. Dengue virus is not currently found locally in arizona.
Clinicians should consider dengue in a patient with a clinically compatible illness, and who lives in or recently traveled to a diseaseendemic area external icon in the 2 weeks before symptom onset patients typically present with acute onset of fever, headache, body aches, and sometimes rash spreading from the trunk. The cdc estimates more than onethird of the worlds population is living in areas at risk for infection by dengue virus which causes dengue fever, a leading cause of illness among people living. Dengue fever is a mosquitoborne virus affecting more than 390 million people each year. Dengue is a mosquitoborne disease caused by any one of four closely related dengue viruses. Dengue virus is transmitted by female mosquitoes mainly of the species aedes aegypti and, to a lesser extent, ae. Dengue and severe dengue world health organization. Dengue fever in the united states centers for disease. Symptoms appear 314 days after the bite of an infected mosquito and include sudden onset of fever, severe headache, eye pain, muscle and joint pain giving the disease the nickname breakbone fever, and bleeding. Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. Dengue chapter 4 2020 yellow book travelers health.
Jan 27, 2016 introduction dengue and dengue hemorrhagic fever dhf result from infection by any of four serotypes of dengue viruses. Dengue or dengue fever is a disease spread to humans by mosquito bites, and is caused by one of four types of dengue viruses. Dengue hemorrhagic fever can occur when someone is bitten by a mosquito or exposed to blood infected with the dengue virus. Dengue defined by fever as reported by the patient or. Dengue chapter 4 2020 yellow book travelers health cdc. The centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal. Dengue fever is a virus transmitted to humans through bites from the aedes mosquito, a daybiting mosquito. Once you are infected with one of the dengue viruses, you will develop immunity to that. Dengue is a major public health problem worldwide, where an estimated 400 million denv infections and 100 million clinically apparent dengue cases occurred in 2010. Dengue is common in more than 100 countries around the world. Dengue outbreaks occur each year in north queensland following cases imported from overseas. Since the second edition of dengue haemorrhagic fever.
Recent research shows dengue is between 100 and 800 years old. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash. The 20192020 dengue fever epidemic is an epidemic of the infectious disease dengue fever in several countries of southeast asia, including the philippines, malaysia, vietnam, and bangladesh, pakistan, thailand, singapore, and laos. Dengue is a disease caused by any one of four closely related dengue viruses denv1, denv2, denv3, and denv4. Dengue viruses are spread to people through the bite of an infected aedes species ae. Dengue is common in the us territories of puerto rico, the us virgin islands, and american samoa. Dengue fever in the united states page 2 of 4 april 2012 health authorities on the island, and they really had to balance their concerns with the tourist bureaus, which i think was a very interesting thing, because hawaiis economy is so dependent. Dengue in the us states and territories dengue cdc.
The disease is mainly tropical in origin but occasionally residents or visitors from other countries may arrive in this country with dengue fever. Be sure to describe international trips in detail, including the countries you visited and the dates. Assessment, clinicians, dengue, management, diagnosis, fever, nausea and vomiting, rash, aches and pains, headache, eye pain, muscle ache or joint pain, warning signs, tourniquet test positive, leukopenia, abdominal pain or tenderness. Dengue fever dengue fever is a reportable disease in oklahoma. Centers for disease control and prevention cdc considers dengue fever to cause the majority of acute febrile illnesses in travelers returning to the u. Dengue cannot be spread directly from person to person.
It likely originated in africa or southeast asia and was then carried to other parts of the world through travel and. Cryptosporidiosis to dengue hemorrhagic fever 2014. Dengue fever is a severe, flulike illness that affects infants, young children and adults, but seldom causes death. While the disease is generally mild, it can be deadly. Summary dengue fever, a very old disease, has reemerged in the past 20 years with an expanded geographic distribution of both the viruses and the mosquito vectors, increased epidemic activity, the development of hyperendemicity the cocirculation of multiple serotypes, and the emergence of dengue hemorrhagic fever in new geographic regions. Treat the symptoms of dengue and see your healthcare provider. Guidelines for dengue fever and dengue haemorrhagic fever. Dengue fever vaccine, symptoms, treatment, prevention. The incidence of dengue fever and dengue hemorrhagic fever in brazil experienced a significant increase since the emergence of dengue virus type3 denv3 at the early 2000s. Dengue and dhf are viral diseases transmitted by mosquitoes in tropical and. Mild symptoms of dengue may be confused with other illnesses that cause fever and flulike. Dengue is defined by fever as reported by the patient or healthcare provider and the presence of one or more of the following signs and symptoms. Dengue pronounced dengee fever is a painful, debilitating mosquitoborne disease caused by any one of four closely related dengue viruses. The clinical features of dengue fever vary according to the age of the patient.
Dengue infection is caused by any of four distinct but closely related dengue virus denv serotypes called denv1, 2. Clinical description for public health surveillance. Dengue fever breakbone fever, dengue hemorrhagic fever. Travelers can prevent dengue centers for disease control. Dengue fever, a very old disease, has reemerged in the past 20 years with an expanded geographic distribution of both the viruses and the mosquito vectors, increased epidemic activity, the development of hyperendemicity the cocirculation of multiple serotypes, and the emergence of dengue hemorrhagic fever in new geographic regions. Confirmatory tests include viral antigen or nucleic acid detection and serology. Severe dengue fever is characterized by marked thrombocytopenia, severe hemorrhage, plasma leakage leading to shock or fluid accumulation with respiratory distress, and severe organ impairment. Results matching topic of dengue hemorrhagic fever page 1.
A risk to anyone traveling to a tropical or subtropical region of the world where dengue virus is found. It is widespread across asia, the pacific, central and southern america and africa where these mosquitoes exist. Dengue fever is a mosquitoborne disease caused by a virus. Feb 16, 2018 dengue denggey fever is a mosquitoborne disease that occurs in tropical and subtropical areas of the world. Feb 16, 2018 diagnosing dengue fever can be difficult, because its signs and symptoms can be easily confused with those of other diseases such as malaria, leptospirosis and typhoid fever. Nearly all dengue cases reported in the 48 contiguous us states were in travelers infected elsewhere. From 1975 through 2009, symptomatic dengue virus infections were classified according to the who guidelines as dengue fever, dengue hemorrhagic fever dhf, and dengue shock syndrome the most severe form of dhf. Forty percent of the worlds population, about 3 billion people, live in areas with a risk of dengue. In the end, cdc, the us department of defense, the world health organization who, usaid, local read more. First fdaapproved vaccine for the prevention of dengue. Dengue is a viral disease transmitted by mosquitoes especially aedes aegypti and is widely distributed throughout the tropics and subtropics. It causes high fever, severe headache, pain behind the eye, joint pain, and muscle pain. Infants and young children may have a nonspecific febrile illness with rash.
Dengue and dengue haemorrhagic fever introduction dengue is a mosquitoborne infection, which in recent years has become a major international public health concern. These viruses are related to the viruses that cause. It can cause severe flulike symptoms and in severe cases can be fatal. Mar 02, 2020 dengue is a mosquitoborne viral disease that has rapidly spread in all regions of who in recent years. In the united states, local dengue outbreaks most recently occurred in hawaii 2015, florida. Symptoms include fever, headache, muscle and joint pains, and a. Dengue and dengue hemorrhagic fever pubmed central pmc. Disease investigation guideline kansas department of health. Classic dengue fever is primarily a disease of older children and adults. Dengue fever is estimated by the world health organization who to cause about 50100 million infections per year worldwide. Jun 28, 2019 dengue fever is transmitted by the bite of an aedes mosquito infected with a dengue virus. Symptoms typically begin three to fourteen days after infection. Dengue occurs in many tropical and subtropical areas of the world, particularly subsaharan africa, the middle east, southeast asia, and central and south america.
The spread of the disease has been exacerbated by falling vaccination levels in certain areas, and by a growing population of mosquitoes, which are the primary. Dengue is a potentially fatal acute febrile illness caused by infection with any of four dengue viruses denv1, 2, 3, and 4. Dengue fever and dengue hemorrhagic fever dhf are increasingly recognized as major public health problems in over 100 countries in the tropics and subtropics. The mosquitos that carry this disease are mainly in tropical areas so travelers may arrive in the. Dengue knowledge for medical students and physicians.
Despite the major public health concerns, there have been very few studies. Introduction dengue and dengue hemorrhagic fever dhf result from infection by any of four serotypes of dengue viruses. To find out if dengue is in an area you are traveling to, see the cdc s travelers health page. Currently, dengue fever causes more illness and death than any other arbovirus disease of humans 124. If you think you have dengue pdf icon pdf 1 page see a healthcare provider if you develop a fever or have symptoms of dengue. Prevent dehydration which occurs when a person loses too much fluid. A severe form of dengue fever, also called dengue hemorrhagic fever, can cause severe bleeding, a sudden drop in blood pressure shock and death. Dengue is often a leading cause of illness in areas. It is characterized by the sudden onset of fever and a variety of nonspecific signs and symptoms, including frontal headache, retroorbital pain, body aches, nausea and vomiting, joint pains, weakness, and rash 1, 71, 1, 6, 149.
Approximately 50 million people are infected annually, with 25 000 deaths. Dengue fever is common in tropical areas, so take extra precautions if you travel somewhere with this type of. An outbreak of dengue fever on a small island chain in the middle of the pacific. Dengue fever prevention passport health travel clinics. Pdf dengue is an infectious mosquito borne disease of tropical regions. Dengue fever is endemic in tropical and subtropical areas. This increase is believed to be to be due to multiple factors. Transmission occurs through the bite of infected aedes mosquitoes, principally aedes aegypti, which is also the principal urban vector of yellow fever.
About 1 in 4 people infected with dengue will get sick. A local government requesting assistance to control the outbreak. Sharp, phd the whole thing was straight out of a movie. Dengue fever, also known as breakbone fever, is a mosquitoborne infectious tropical disease caused by the dengue virus. Clinical findings include nausea, vomiting, rash, aches and pains, a positive tourniquet test, leukopenia, and the following warning signs. Travelers can prevent dengue you can buy products containing. Do not take aspirin, ibuprofen advil, or naproxen aleve, since these may increase bleeding. Health experts have known about dengue fever for more than 200 years. Symptoms include a high fever, headaches, joint and muscle pain, vomiting, and a rash. Dengue is a febrile illness that can have a fatal outcome in severe cases. The most common symptoms of dengue are high fever for 27 days, severe headache, backache, joint pains, nausea and vomiting, eye pain and rash.
The key west tour sharing our stories on preparing for and responding to public health events. Each year, an estimated 100 million cases of dengue fever and several hundred thousand cases of dhf occur, depending on epidemic activity 42, 45, 104. Dengue virus is transmitted to people by the bite of an infected mosquito. Dengue fever is a mosquitoborne tropical disease caused by the dengue virus. Centers for disease control and prevention office of public health scientific services ophss center for surveillance, epidemiology, and laboratory services csels. Dengue is a disease caused by the bite of a mosquito infected with any one of four specific dengue viruses. The dengue fever virus seems the sacriest to me especially since i read about rash of outbreaks. It is a caused by a flavivirus with four distinct serotypes dv1, dv2, dv3, and dv4.
Mild dengue fever causes a high fever, rash, and muscle and joint pain. Results matching topic of dengue hemorrhagic fever page. The most common symptoms of dengue are high fever for 27 days, severe. 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 found in tropical and subtropical regions around the world, predominantly in urban and semiurban areas. Dengue fever is common in tropical areas, so take extra precautions if you travel somewhere with this type of climate. Please contact xxx county health department chd by the next business day if you suspect dengue to ensure prompt mosquito control efforts. Dengue fever can be a painful, debilitating disease but is rarely fatal. Take acetaminophen tylenol or panadol as needed for fever and pain. Cdc dengue guidelines and documents dengue virus net. Dengue fever symptoms, diagnosis and treatment bmj. There is no vaccine or medication that protects against dengue fever.