1. Chikungunya Esha Baichoo

2. Chikungunya Virus(CHIKV)
Rare form of viral fever
Isolated for the first time from a Tanzanian outbreak in 1952
Transmitted by the Aedes aegypti and Aedes albopictus(mutated form) mosquitoes,
!! No human-human transmission!!
Alphavirus belonging to the family of Togaviridae

3. Etymiology
Name derived from the Makonde word meaning ‘that which bends up’ , referring to the stooped posture of the patients
First described by Marion Robinson and W.H.R. Lumsden in 1955, following an outbreak on the Makonde Plateau, along the border between Tanganyika and Mozamique, in 1952.

4. Epidemiology
Geographically distributed in Africa, India and South-East Asia
First outbreak in 1963, in India
Major epidemics appear cyclically
Recent outbreak in the Indian Ocean after 20 years of dormancy
First case, in Mauritius, reported in 2005

6. Symptoms Typically debilitating poly-arthralgia Fever reaching 39°C
Petechial or maculopapular rash on limbs and trunk
Epitaxis, minor hemorrhage
Self-limiting- usually last 5-7 days
May become chronic in the elderly
!!Not life-threatening!!

7. Laboratory Diagnosis and Treatment
Clinical manifestations resemble those of dengue
Serological examination
No vaccine available
Chloroquine phosphate (250 mg/day)
non-steroidal anti-inflammatory drugs (NSAID)
Analgesics
Aspirin usually avoided

8. Prevention and Control
Avoiding mosquito bite (chemical repellents,protective clothings, mosquito nets)
Prevent mosquito breeding by drainage of all stagnant water
Intense government-sponsored eradication of mosquitoes by insecticide spraying
National health campaign aimed at greater awareness
Close monitoring of travellers coming from infected zones

10. Socio-Economic Impact
Severe impact on the tourism industry and foreign investment
Greater awareness of epidemics
Improvement in the health sector

11. Acknowledgement www.wikipedia.org
file:///E:/chikungunya/articlerender.fcgi.htm
World Health Organisation
PudMed