1.

Regarding syphilis, all are true, except -

A. VDRL titre decreases or even absent after treatment
B. VDRl become positive after 10-14 days of infection
C. Earliest serological test to become positive in untreated primary syphilis is TPHA
D. Yaws and Pinta can not be differentiated
Answer» C. Earliest serological test to become positive in untreated primary syphilis is TPHA


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