The 'symptomless' period or latent period in case of syphilis may last for

Which of the following $STDs$ cannot be treated with antibiotics?
$A.$ Gonorrhoea
$B.$ Syphilis
$C.$ Chlamydia
$D.$ Genital herpes

Which pathogen is responsible for syphilis?

The test for 'syphilis' was developed by

Identify the sexually transmitted disease caused by bacteria.

Select the correct option for the early symptoms of Sexually Transmitted Diseases (STDs).
$I -$ Itching in the genital area
$II -$ Abortion
$III -$ Fluid discharge in the genital area
$IV -$ Pelvic Inflammatory Diseases $(PID)$
$V -$ Slight pain in the genital area
$VI -$ Swelling in the genital area