Polymerase chain reaction in the diagnosis of leptospiral infection.

The tabular approach and interpretation of results, as mentioned, according to varying MAT titres is a standard practice in any laboratory situated in a leptoendemic area including at ours at JIPMER, Pondicherry. We too take single high titre of 1:400 as positive. Nevertheless, the problem with MAT will be one of availability of facility, as mentioned in our original article. Thus, ELISA IgM will continue to play a positive role in the present setting (in India).