<prompt> True about V cholera 0139 all except -Clinical manifestations are similar 01 Eltor strainFirst discovered in ChennaiEpidemiologically indistinguishable from 01 Eltor strainProduces 01 Lipopolysaccharide  <response>: Ans. is d i.e., Produces 0-1 lipopolysacchride . V. cholerae have been classified based on somatic antigen 0 O lipopolysaccharide. . There are at least 139 0 antigen groups O 1, 02, 03... 0 139 . Most of the cases of cholera are caused by 01 group --- contain 0-1 lipopolysaccharide. . The remaining 138 O 2 to 139 belong to Non 0 1 group --- Do not have 0 -1 lipopoly saccharide. . Amongst the Non 01 group, V cholerae 0 139 causes cholera. It has 0 139 LPS. About other options . V. cholerae 0-139 was first isolated from a cholera outbreak in Chennai. 