Among the following, earliest test to be positive in leptospirosis is:
Test for leptospirosis:Time to become positive:MAT(microscopic agglutination testing)Second week of illnessIgM ELISAWithin 3-5 daysBlood culture7-14 days after exposure(ref:Harrison's 17/e p1050)
Microagglutination test (MAT)
Leptospira culture of blood
IgM ELISA of serum
Macroagglutination test
All India exam