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Chikungunya Fever
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<blockquote data-quote="uishara" data-source="post: 2846859" data-attributes="member: 110284"><p><span style="font-size: 12px"><span style="color: #000000"><strong>Communicable Diseases</strong></span></span></p><p><strong><span style="color: #003366">Chikungunya Fever</span></strong></p><p style="text-align: right"><p style="text-align: right"> </p> </p><p><strong><span style="color: #0033cc">Chikungunya Fever, a re-emerging Disease in Asia</span></strong></p><p style="text-align: right"><p style="text-align: right"><a href="http://www.searo.who.int/LinkFiles/Chikungunya_FactSheet_Chikungunyafever.pdf" target="_blank">http://www.searo.who.int/LinkFiles/Chikungunya_FactSheet_Chikungunyafever.pdf</a></p> </p><p><span style="color: #000000">Chikungunya fever is a viral illness that is spread by the bite of infected mosquitoes. The disease resembles dengue fever, and is characterized by severe, sometimes persistent, joint pain (arthritis), as well as fever and rash. It is rarely life-threatening. Nevertheless widespread occurrence of diseases causes substantial morbidity and economic loss</span></p><p><span style="color: #000000"><strong>Epidemiology</strong></span></p><p><span style="color: #000000">Epidemics of fever, rash and arthritis, resembling Chikungunya fever have been recorded as early as 1824 in India and elsewhere. However, the virus was first isolated between 1952-1953 from both man and mosquitoes during an epidemic of fever that was considered clinically indistinguishable from dengue, in the Tanzania. </span></p><p><span style="color: #000000">Chikungunya fever displays interesting epidemiological profiles: major epidemics appear and disappear cyclically, usually with an inter-epidemic period of 7-8 years and sometimes as long as 20 years. After a long period of absence, outbreaks of CHIK fevers have appeared in Indonesia in 1999.</span></p><p><span style="color: #000000"><strong>Chikungunya in Asia (1960-1982)</strong></span></p><p><span style="color: #000000">Between 1960 and 1982, outbreaks of Chikungunya fever were reported from Africa and Asia. In Asia, virus strains have been isolated in Bangkok in 1960s; various parts of India including Vellore, Calcutta and Maharastha in 1964; in Sri Lanka in 1969; Vietnam in 1975; Myanmar in 1975 and Indonesia in 1982. </span></p><p><span style="color: #000000"><strong>Recent occurrences of chikungunya fever</strong></span></p><p><span style="color: #000000">After an interval of more than 20 years, chikungunya fever has been reported from several countries including India, and various Indian Ocean islands including Comoros, Mauritius, Reunion and Seychelles. </span></p><p><span style="color: #000000"><strong>Chikungunya fever in India</strong></span></p><p><span style="color: #000000">Till 10 October 2006, 151 districts of eight states/provinces of India have been affected by chikungunya fever. The affected states are Andhra Pradesh, Andaman & Nicobar Islands, Tamil Nadu, Karnataka, Maharashtra, Gujarat, Madhya Pradesh, Kerala and Delhi. </span></p><p><span style="color: #000000">More than 1.25 million cases have been reported from the country with 752,245 cases from Karnataka and 258,998 from Maharashtra provinces. In some areas attack rates have reached up to 45%. </span></p><p><span style="color: #000000"><strong>Chikungunya and dengue fevers</strong></span></p><p><span style="color: #000000">The clinical manifestations of chikungunya fever have to be distinguished from dengue fever. Co-occurrence of both fevers has been recently observed in Maharashtra state of India thus highlighting the importance of strong clinical suspicion and efficient laboratory support. </span></p><p><strong><a href="http://www.searo.who.int/en/Section10/Section2246_12902.htm" target="_blank"><u><span style="color: #0000ff">Laboratory Diagnosis</span></u></a></strong></p><p><span style="color: #000000">The clinical manifestations of chikungunya fever resemble those of dengue fever. Laboratory diagnosis is critical to establish the cause of diagnosis and initiate specific public health response.</span></p><p><span style="color: #000000"><strong>Treatment, prevention and control</strong></span></p><p><span style="color: #000000"><strong>Treatment</strong></span></p><p><span style="color: #000000"><strong><em><u>Chikungunya fever is not a life threatening infection</u></em></strong>. Symptomatic treatment for mitigating pain and fever using anti-inflammatory drugs along with rest usually suffices. While recovery from chikungunya is the expected outcome, convalescence can be prolonged (up to a year or more), and persistent joint pain may require analgesic (pain medication) and long-term anti-inflammatory therapy. </span></p><p><span style="color: #000000"><strong>Prevention and control</strong></span></p><p><span style="color: #000000">No vaccine is available against this virus infection. Prevention is entirely dependent upon taking steps to avoid mosquito bites and elimination of mosquito breeding sites. </span></p><p><span style="color: #000000">To avoid mosquito bites:</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Wear full sleeve clothes and long dresses to cover the limbs;</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Use mosquito coils, repellents and electric vapour mats during the daytime;</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Use mosquito nets – to protect babies, old people and others, who may rest during the day. The effectiveness of such nets can be improved by treating them with pyrethrum (parathyroid insecticide). Curtains (cloth or bamboo) can also be treated with insecticide and hung at windows or doorways, to repel or kill mosquitoes.</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Mosquitoes become infected when they bite people who are sick with chikungunya. Mosquito nets and mosquito nets and mosquito coils will effectively prevent mosquitoes from biting sick people.</span></p><p><span style="color: #000000"><strong>To prevent mosquito breeding</strong></span></p><p><span style="color: #000000">The Aedes mosquitoes that transmit chikungunya breed in a wide variety of manmade containers which are common around human dwellings. These containers collect rainwater, and include discarded tires, flowerpots, old oil drums, animal water troughs, water storage vessels, and plastic food containers. These breeding sites can be eliminated by</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Draining water from coolers, tanks, barrels, drums and buckets, etc.;</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Emptying coolers when not in use;</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Removing from the house all objects, e.g. plant saucers, etc. which have water collected in them</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Cooperating with the public health authorities in anti-mosquito measures.</span></p><p><span style="color: #000000"><strong>Role of public health authorities</strong></span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>National programme for prevention and control of vector borne diseases should be strengthened and efficiently implemented with multisectoral coordination</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Legislations for elimination of domestic/per domestic mosquitogenic sites should be effectively enforced</span></p><p><span style="color: #000000"><span style="font-family: 'Times New Roman'"> </span>Communities must be made aware of the disease and their active cooperation in prevention and control measures elicited </span></p><p style="text-align: right"><p style="text-align: right"><a href="http://www.searo.who.int/en/Section10.htm" target="_blank">http://www.searo.who.int/en/Section10.htm</a></p> </p><p></p><p> var strPageDay="16"; var strPageMonth="05,May,May"; var strPageYear="08,2008"; </p></blockquote><p></p>
[QUOTE="uishara, post: 2846859, member: 110284"] [SIZE=3][COLOR=#000000][B]Communicable Diseases[/B][/COLOR][/SIZE] [B][COLOR=#003366]Chikungunya Fever[/COLOR][/B] [RIGHT][RIGHT][COLOR=#000000][FONT=Verdana] [/FONT][/COLOR][/RIGHT][/RIGHT] [B][COLOR=#0033cc]Chikungunya Fever, a re-emerging Disease in Asia[/COLOR][/B] [RIGHT][RIGHT][URL="http://www.searo.who.int/LinkFiles/Chikungunya_FactSheet_Chikungunyafever.pdf"][COLOR=#0033cc][/COLOR][/URL][/RIGHT][/RIGHT] [COLOR=#000000]Chikungunya fever is a viral illness that is spread by the bite of infected mosquitoes. The disease resembles dengue fever, and is characterized by severe, sometimes persistent, joint pain (arthritis), as well as fever and rash. It is rarely life-threatening. Nevertheless widespread occurrence of diseases causes substantial morbidity and economic loss[/COLOR] [COLOR=#000000][B]Epidemiology[/B][/COLOR] [COLOR=#000000]Epidemics of fever, rash and arthritis, resembling Chikungunya fever have been recorded as early as 1824 in India and elsewhere. However, the virus was first isolated between 1952-1953 from both man and mosquitoes during an epidemic of fever that was considered clinically indistinguishable from dengue, in the Tanzania. [/COLOR] [COLOR=#000000]Chikungunya fever displays interesting epidemiological profiles: major epidemics appear and disappear cyclically, usually with an inter-epidemic period of 7-8 years and sometimes as long as 20 years. After a long period of absence, outbreaks of CHIK fevers have appeared in Indonesia in 1999.[/COLOR] [COLOR=#000000][B]Chikungunya in Asia (1960-1982)[/B][/COLOR] [COLOR=#000000]Between 1960 and 1982, outbreaks of Chikungunya fever were reported from Africa and Asia. In Asia, virus strains have been isolated in Bangkok in 1960s; various parts of India including Vellore, Calcutta and Maharastha in 1964; in Sri Lanka in 1969; Vietnam in 1975; Myanmar in 1975 and Indonesia in 1982. [/COLOR] [COLOR=#000000][B]Recent occurrences of chikungunya fever[/B][/COLOR] [COLOR=#000000]After an interval of more than 20 years, chikungunya fever has been reported from several countries including India, and various Indian Ocean islands including Comoros, Mauritius, Reunion and Seychelles. [/COLOR] [COLOR=#000000][B]Chikungunya fever in India[/B][/COLOR] [COLOR=#000000]Till 10 October 2006, 151 districts of eight states/provinces of India have been affected by chikungunya fever. The affected states are Andhra Pradesh, Andaman & Nicobar Islands, Tamil Nadu, Karnataka, Maharashtra, Gujarat, Madhya Pradesh, Kerala and Delhi. [/COLOR] [COLOR=#000000]More than 1.25 million cases have been reported from the country with 752,245 cases from Karnataka and 258,998 from Maharashtra provinces. In some areas attack rates have reached up to 45%. [/COLOR] [COLOR=#000000][B]Chikungunya and dengue fevers[/B][/COLOR] [COLOR=#000000]The clinical manifestations of chikungunya fever have to be distinguished from dengue fever. Co-occurrence of both fevers has been recently observed in Maharashtra state of India thus highlighting the importance of strong clinical suspicion and efficient laboratory support. [/COLOR] [B][URL="http://www.searo.who.int/en/Section10/Section2246_12902.htm"][U][COLOR=#0000ff]Laboratory Diagnosis[/COLOR][/U][/URL][/B] [COLOR=#000000]The clinical manifestations of chikungunya fever resemble those of dengue fever. Laboratory diagnosis is critical to establish the cause of diagnosis and initiate specific public health response.[/COLOR] [COLOR=#000000][B]Treatment, prevention and control[/B][/COLOR] [COLOR=#000000][B]Treatment[/B][/COLOR] [COLOR=#000000][B][I][U]Chikungunya fever is not a life threatening infection[/U][/I][/B]. Symptomatic treatment for mitigating pain and fever using anti-inflammatory drugs along with rest usually suffices. While recovery from chikungunya is the expected outcome, convalescence can be prolonged (up to a year or more), and persistent joint pain may require analgesic (pain medication) and long-term anti-inflammatory therapy. [/COLOR] [COLOR=#000000][B]Prevention and control[/B][/COLOR] [COLOR=#000000]No vaccine is available against this virus infection. Prevention is entirely dependent upon taking steps to avoid mosquito bites and elimination of mosquito breeding sites. [/COLOR] [COLOR=#000000]To avoid mosquito bites:[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Wear full sleeve clothes and long dresses to cover the limbs;[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Use mosquito coils, repellents and electric vapour mats during the daytime;[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Use mosquito nets – to protect babies, old people and others, who may rest during the day. The effectiveness of such nets can be improved by treating them with pyrethrum (parathyroid insecticide). Curtains (cloth or bamboo) can also be treated with insecticide and hung at windows or doorways, to repel or kill mosquitoes.[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Mosquitoes become infected when they bite people who are sick with chikungunya. Mosquito nets and mosquito nets and mosquito coils will effectively prevent mosquitoes from biting sick people.[/COLOR] [COLOR=#000000][B]To prevent mosquito breeding[/B][/COLOR] [COLOR=#000000]The Aedes mosquitoes that transmit chikungunya breed in a wide variety of manmade containers which are common around human dwellings. These containers collect rainwater, and include discarded tires, flowerpots, old oil drums, animal water troughs, water storage vessels, and plastic food containers. These breeding sites can be eliminated by[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Draining water from coolers, tanks, barrels, drums and buckets, etc.;[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Emptying coolers when not in use;[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Removing from the house all objects, e.g. plant saucers, etc. which have water collected in them[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Cooperating with the public health authorities in anti-mosquito measures.[/COLOR] [COLOR=#000000][B]Role of public health authorities[/B][/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]National programme for prevention and control of vector borne diseases should be strengthened and efficiently implemented with multisectoral coordination[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Legislations for elimination of domestic/per domestic mosquitogenic sites should be effectively enforced[/COLOR] [FONT=Symbol][COLOR=#000000][/COLOR][/FONT][COLOR=#000000][FONT='Times New Roman'] [/FONT]Communities must be made aware of the disease and their active cooperation in prevention and control measures elicited [/COLOR] [RIGHT][RIGHT][URL="http://www.searo.who.int/en/Section10.htm"][COLOR=#000000][/COLOR][/URL][/RIGHT][/RIGHT] [COLOR=#000000][/COLOR] var strPageDay="16"; var strPageMonth="05,May,May"; var strPageYear="08,2008"; [FONT=Times New Roman][SIZE=3][COLOR=#000000] [/COLOR][/SIZE][/FONT] [FONT=Times New Roman][SIZE=3][COLOR=#000000] [/COLOR][/SIZE][/FONT] [/QUOTE]
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