Epidemiological profile of rotaviral infection in India: challenges for the 21st century

Kang, Gagandeep ; Kelkar, Shobhana D. ; Chitambar, Shoba D. ; Ray, Pratima ; Naik, Trailokyanath (2005) Epidemiological profile of rotaviral infection in India: challenges for the 21st century Journal of Infectious Diseases, The, 192 (S-1). S120-S126. ISSN 0022-1899

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Official URL: http://jid.oxfordjournals.org/content/192/Suppleme...

Related URL: http://dx.doi.org/10.1086/431496


Background: Rotaviruses cause acute viral gastroenteritis worldwide. It has been estimated that, each year, 440,000 deaths that occur among children are attributed to rotavirus infection, mainly in developing countries. In India, the diversity of rotaviruses reported during the 1980s and 1990s emphasizes the need for surveillance of cocirculating strains, to follow the rapid changes in circulation and to detect novel strains. Methods: We analyzed data from published epidemiological studies, to collate available information on serotyping and genotyping of rotaviruses before the initiation of a national rotavirus surveillance program. The studies included 18 Indian cities and were performed during 1996-2001. Results: Rotaviruses were detected in 23.4% of patients with diarrhea who presented to the hospital. There were marked geographic differences in virus circulation, with G1 being the single most common G type identified in all parts of India, except for western India. Group B rotaviruses were reported from Kolkata and Pune. Human infections with strains G6, G8, G10, and G9P[19], which may occur as a result of zoonotic transmission of bovine and porcine rotaviruses, were reported from western, southern, and eastern India. Conclusions: The remarkable diversity of rotaviruses circulating in India highlights the need for uniform, widespread surveillance for rotaviruses before the initiation and during the implementation of immunization programs.

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