Int. J. Environ. Res. Public Health 2012, 9, 895-915; doi:10.3390/ijerph9030895 OPEN ACCESS International Journal of Environmental Research and Public Health ISSN 1660-4601 www.mdpi.com/journal/ijerph Article Diversity in the Enteric Viruses Detected in Outbreaks of Gastroenteritis from Mumbai, Western India Shobha Chitambar 1,*, Varanasi Gopalkrishna 1, Preeti Chhabra 1,†, Pooja Patil 1,†, Harsha Verma 1,†, Anismrita Lahon 1,†, Ritu Arora 1,†, Vaishali Tatte 1,†, Sujata Ranshing 1,†, Ganesh Dhale 1, Rajendra Kolhapure 1, Sanjay Tikute 1, Jagannath Kulkarni 2, Renu Bhardwaj 3, Sulbha Akarte 4 and Sashikant Pawar 4 1 Enteric Viruses Group, National Institute of Virology, 20-A, Dr. Ambedkar Road, Pune 411001, India; E-Mails: gopalvk58@hotmail.com (V.G.); preetischhabra@gmail.com (P.C.); patilpooja15@hotmail.com (P.P.); harshavverma@gmail.com (H.V.); ritusarora@gmail.com (R.A.); anismritalahon@yahoo.in (A.L.); vprabhavale@yahoo.com (V.T.); sujata_ranshing@yahoo.com (S.R.); g_dhale@yahoo.com (G.D.); nivrota@hotmail.com (R.K.); sanjaytikute@yahoo.co.in (S.T.) 2 Department of Pathology, Gokuldas Tejpal Hospital, Lokmanya Tilak Marg, Fort, Mumbai 400001, India; E-Mail: drjmkulkarni@gmail.com 3 Department of Microbiology, Sir Jamshedjee Jeejeebhoy Hospital, Byculla, Mumbai 400008, India; E-Mail: renu.bharadwaj@gmail.com 4 Department of Preventive and Social Medicine, Sir Jamshedjee Jeejeebhoy Hospital, Byculla, Mumbai 400008, India; E-Mails: svakarte@hotmail.com (S.A.); nivrota@yahoo.com (S.P.) † These authors contributed equally to this work. * Author to whom correspondence should be addressed; E-Mail: drshobha.niv@gmail.com; Tel.: +91-020-2612-7301; Fax: +91-020-2612-2669. Received: 24 November 2011; in revised form: 2 February 2012 / Accepted: 1 March 2012 / Published: 14 March 2012 Abstract: Faecal specimens collected from two outbreaks of acute gastroenteritis that occurred in southern Mumbai, India in March and October, 2006 were tested for seven different enteric viruses. Among the 218 specimens tested, 95 (43.6%) were positive, 73 (76.8%) for a single virus and 22 (23.2%) for multiple viruses. Single viral infections in both, March and October showed predominance of enterovirus (EV, 33.3% and 40%) and rotavirus A (RVA, 33.3% and 25%). The other viruses detected in these months were