Abbreviations AIC Akaike Information Criterion AKI acute kidney injury AKI‐L acute kidney injury due to leptospirosis AKI‐nL acute kidney injury not due to leptospirosis IQR interquartile range L leptospirosis L2 bivalent antileptospiral vaccine L4 quadrivalent antileptospiral vaccine MAT microscopic agglutination test OR odds ratio ROC‐AUC area under the receiver operating characteristic curve RT‐PCR reverse transcriptase polymerase chain reaction 1 INTRODUCTION Leptospirosis is a zoonotic...