{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T07:08:04Z","timestamp":1791270484482,"version":"4.1.0"},"reference-count":23,"publisher":"American Society of Tropical Medicine and Hygiene","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2010,10,5]]},"abstract":"<jats:p>The outbreak of chikungunya fever that surfaced in India during late 2005 has affected more than 1.56 million people, spread to more than 17 states\/union territories, and is still ongoing. Many of these areas are dengue- and leptospirosis-endemic settings. We carried out a cross-sectional survey in one such chikungunya-affected location in Dakshina Kannada District of Karnataka State to estimate the magnitude of the epidemic and the proportion of chikungunya virus (CHIKV) infections that remained clinically inapparent. The seropositivity for CHIKV infection was 62.2%, and the attack rate of confirmed CHIK fever was 58.3%. The proportion of inapparent CHIKV infection was 6.3%. The increasing trend in the seropositivity and attack rate of CHIKV infection with age group was statistically significant. The present study is an indicator of the magnitude of the ongoing outbreak of CHIKV infection in India that started during 2005\u20132006.<\/jats:p>","DOI":"10.4269\/ajtmh.2010.09-0433","type":"journal-article","created":{"date-parts":[[2010,10,1]],"date-time":"2010-10-01T17:15:08Z","timestamp":1285953308000},"page":"751-754","source":"Crossref","is-referenced-by-count":34,"title":["Outbreak of Chikungunya Fever, Dakshina Kannada District, South India, 2008"],"prefix":"10.4269","volume":"83","author":[{"given":"Sathya P.","family":"Manimunda","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Attayur P.","family":"Sugunan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Subhodh K.","family":"Rai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paluru","family":"Vijayachari","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ananganallur N.","family":"Shriram","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sameer","family":"Sharma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nagarajan","family":"Muruganandam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Itta K.","family":"Chaitanya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dev R.","family":"Guruprasad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anakkathil B.","family":"Sudeep","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2795","reference":[{"key":"R1","series-title":"Indian J Med Microbiol","first-page":"83","article-title":"Reemergence of chikungunya virus in India","volume":"24","author":"Ravi","year":"2006"},{"key":"R2","series-title":"J Vector Borne Dis","first-page":"26","article-title":"Burden of chikungunya in India: estimates of disability adjusted life years (DALY) lost in 2006 epidemic","volume":"46","author":"Krishnamoorthy","year":"2009"},{"key":"R3","series-title":"Directorate General of Health Services, Ministry of Health and Family Welfare, Government of India. Chikungunya Situation in India","author":"National Vector Borne Disease Control Programme","year":"2009"},{"key":"R4","series-title":"Dengue Haemorrhagic Fever. Diagnosis, Treatment, Prevention and Control","first-page":"1","author":"World Health Organization","year":"1997"},{"key":"R5","series-title":"Braz J Infect Dis","first-page":"179","article-title":"Leptospirosis in India and the rest of the world","volume":"7","author":"Sambsiava","year":"2003"},{"key":"R6","series-title":"Lancet Infect Dis","first-page":"306","article-title":"Chikungunya epidemic in India: a major public health disaster","volume":"7","author":"Mavalankar","year":"2007"},{"key":"R7","series-title":"Government of India. Ministry of Communication and Information Technology, Department of Information Technology. District Profile. 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