Chikungunya - Evolution, Signs and Symptoms
Chikungunya is a viral disease of new century. It is spread by mosquitoes. It causes fever and severe joint pain. Other symptoms include muscle pain, headache, nausea, fatigue and rash. Chikungunya is an insect-borne virus that is transmitted to humans by virus-carrying Aedes mosquitoes. Chikungunya is a mosquito-borne viral disease first described during an outbreak in southern Tanzania in 1952. It is an alphavirus of the family Togaviridae. The name ‘chikungunya’ derives from a root verb in the Kimakonde language, meaning "to become contorted" and describes the stooped appearance of sufferers with joint pain. The term chikungunya is derived from the Makonde root verb kungunyala, meaning to dry up or become contorted.
There have been recent outbreaks of Chikungunya associated with severe morbidity. It causes an illness with symptoms similar to dengue fever. There is no cure for the disease. Treatment is focused on relieving the symptoms. The disease occurs in Africa, Asia and the Indian subcontinent. In recent decades mosquito vectors of chikungunya have spread to Europe and the Americas. In 2007, disease transmission was reported for the first time in Europe, in a localized outbreak in north-eastern Italy.
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Signs and Symptoms of Chikungunya
Signs and Symptoms of the Chikungunya disease includes a fever up to 40 °C, a petechial or maculopapular rash of the trunk and occasionally the limbs, and arthralgia or arthritis affecting multiple joints. Other common signs and symptoms include muscle pain, headache, nausea, fatigue and rash. The joint pain is often very debilitating, but usually ends within a few days or weeks. Most patients recover fully, but in some cases joint pain may persist for several months, or even years.
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Transmission of Chikungunya
The virus is transmitted from human to human by the bites of infected female mosquitoes. Most commonly, the mosquitoes involved are Aedes aegypti and Aedes albopictus, two species which can also transmit other mosquito-borne viruses, including dengue. These mosquitoes can be found biting throughout daylight hours, although there may be peaks of activity in the early morning and late afternoon. Both species are found biting outdoors, but Ae. aegypti will also readily feed indoors.
Chikungunya - A Mosquito-Borne Viral Disease
Chikungunya is a viral disease of new century. It is spread by mosquitoes. It causes fever and severe joint pain. Other symptoms include muscle pain, headache, nausea, fatigue and rash. Chikungunya is an insect-borne virus that is transmitted to humans by virus-carrying Aedes mosquitoes. Chikungunya is a mosquito-borne viral disease first described during an outbreak in southern Tanzania in 1952. It is an alphavirus of the family Togaviridae. The name ‘chikungunya’ derives from a root verb in the Kimakonde language, meaning "to become contorted" and describes the stooped appearance of sufferers with joint pain. The term chikungunya is derived from the Makonde root verb kungunyala, meaning to dry up or become contorted.
There have been recent outbreaks of Chikungunya associated with severe morbidity. It causes an illness with symptoms similar to dengue fever. There is no cure for the disease. Treatment is focused on relieving the symptoms. The disease occurs in Africa, Asia and the Indian subcontinent. In recent decades mosquito vectors of chikungunya have spread to Europe and the Americas. In 2007, disease transmission was reported for the first time in Europe, in a localized outbreak in north-eastern Italy.
Signs and Symptoms of Chikungunya
Signs and Symptoms of the Chikungunya disease includes a fever up to 40 °C, a petechial or maculopapular rash of the trunk and occasionally the limbs, and arthralgia or arthritis affecting multiple joints. Other common signs and symptoms include muscle pain, headache, nausea, fatigue and rash. The joint pain is often very debilitating, but usually ends within a few days or weeks. Most patients recover fully, but in some cases joint pain may persist for several months, or even years.
Transmission of Chikungunya
The virus is transmitted from human to human by the bites of infected female mosquitoes. Most commonly, the mosquitoes involved are Aedes aegypti and Aedes albopictus, two species which can also transmit other mosquito-borne viruses, including dengue. These mosquitoes can be found biting throughout daylight hours, although there may be peaks of activity in the early morning and late afternoon. Both species are found biting outdoors, but Ae. aegypti will also readily feed indoors.
Article Source: ArticlesBase.com - Chikungunya - Evolution, Signs and Symptoms
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