what is chikungunya?

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Chikungunya is a relatively rare form of viral fever caused by an alphavirus that is spread by mosquito bites from the Aedes aegypti mosquito. The name is derived from the Makonde word meaning "that which bends up" in reference to the stooped posture developed as a result of the arthritic symptoms of the disease. The disease was first described by Marion Robinson[1] and W.H.R. Lumsden[2] in 1955, following an outbreak on the Makonde Plateau, along the border between Tanganyika and Mozambique, in 1952. Chikungunya is closely related to O'nyong'nyong virus[3].

Chikungunya is not considered to be fatal. However, in 2005-2006, 200 deaths have been associated with chikungunya on Réunion island and a widespread outbreak in Southern India (especially in Karnataka and Andhra Pradesh)

Symptoms

The symptoms of Chikungunya (also called as Chicken Guinea) include fever which can reach 39°C, (102.2 °F) a petechial or maculopapular rash usually involving the limbs and trunk, and arthralgia or arthritis affecting multiple joints which can be debilitating. There can also be headache, conjunctival infection and slight photophobia. In the present epidemic in the state of Andhra Pradesh in India, high fever and crippling joint pain is the prevalent complaint. Fever typically lasts for two days and abruptly comes down, however joint pain, intense headache, insomnia and an extreme degree of prostration lasts for a variable period, usually for about 5 to 7 days.

Dermatological manifestations (data on file) observed in a recent outbreak of Chikungunya fever in Southern India (by Dr.Arun C. Inamadar, Dr.Aparna Palit, Dr. V V Sampagavi, Dr.N S Deshmukh,Dept of Dermatology, BLDEA's SBMP Medical College & Hospital, Bijapur, Karnataka, aruninamadar@rediffmail.com) are as follows: 1. Maculopapular rash 2. Nasal blotchy erythema 3. Freckle-like pigmentation over centro-facial area 4. Lichenoid eruption and hyperpigmentation in photodistributed areas 5. Multiple aphthous-like ulcers over scrotum,crural areas and axilla. 6. Lympoedema in acral distribution 7. Multiple ecchymotic spots (Children) Histopathological examination revealed perivascular lymphocytic infiltration in dermis (lesions 4 & 5).

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Chikungunya is a relatively rare form of viral fever caused by an alphavirus that is spread by mosquito bites from the Aedes aegypti mosquito.

Chikungunya is a rare viral infection transmitted by the bite of an infected mosquito. It is characterized by a rash, fever, and severe joint pain that usually lasts for three to seven days. Because of its effect on the joints. It primarily occurs in tropical areas of the world.

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what is chikungunya?

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