Chikungunya

useful for all as health education purpose

1. Today's Session What is Chikungunya? History Symptoms Epidemiology Transmission Prevention & Control

2. What Is Chikungunya Chikungunya is a fever caused by Chikungunya virus transmitted by Aedes aegypti mosquitos breads in clean water stagnation.

3. History Chikungunya was first described in Tanzania , Africa in 1952 . The name is derived from the Makonde word meaning "that which bends up" i.e. related to the stooped posture developed as a result of the disease.

4. First reported in India in 1963 — cities like Calcutta , Maharashtra & Vellore . had returned after a three-decade and 121 districts across seven States were affected by it with a total of 9,74,541 suspected cases. In 2006, there was a big outbreak in the Andhra Pradesh . Nearly 2,00,000 people were affected by this disease. In Bangalore an outbreak of CHIKV in May 2006

5. In the 3rd week of May 2006 the outbreak of Chikungunya in North Karnataka is severe. All the North Karnataka districts specially Gulbarga, Koppal, Bellari, Gadag, Dharwad are affected. In 2012 the Ministry of Health & Family Welfare of India reported 1,810 cases in Karnataka. In 2013 approximately 1095 cases in Karnataka till May 31 st .

6. 8 Symptoms Symptoms Include: Sudden onset of high fever Headache Back pain Myalgia Arthralgia Skin rashes & Slight Photophobia The symptoms will appear on average 4 to 7 days after being bitten by an infected Aedes mosquito

7. EPIDEMIOLOGICAL TRIAD AGENT HOST ENVIRONMENT VECTOR

8. Agent Virus Classification Family : Togaviridae Genus : Alphavirus

9. Electron Microscopic Image Of Chikungunya Virus

10. VECTOR It is transmitted by AEDES,CULEX and MANSONIA species Mosquitoes - Aedes aegypti , Aedes albopictus

11. Aedes aegypti mosquito

12. Aedes Mosquitoes Household container breeders Breeds in clean water In all stored water for drinking, washing and bathing Rainwater collected in unused materials like coconut shells, mud pots, plastic cups, tyres etc Bites in day time especially sunrise and sunset

13. Life Cycle Of Mosquito

14. Breeding Sources

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16. HOST MAN The main virus reservoirs are monkeys, but other mammals and birds can also be affected

17. Environment Population explosion Deforestation Global warming Floods Unplanned urbanization Inadequacy of sanitation

18. Transmission This virus is transmitted only by mosquitoes. An infected mosquito will remain infected all its life span and can transmit the virus each time it bites. An infected person cannot spread the infection directly to other persons

19. Transmission

20. Prevention & Control

21. Cover all water containers

22. Mosquito Nets

23. Clothing When working outdoors during day times, wear long-sleeved shirts and long pants to avoid mosquito bite . long-sleeved Uniforms for School Children.

24. Mosquito Repellants

25. Antilarval Fish Gambusia

26. Fogging