What measures should be taken to avoid the transmission of $STD$?
$I$. Avoid sex with unknown
$II$. Avoid sex with multiple partner
$III$. Do protected sex
$IV$. Avoid sharing needle
Which of the following is an important detection technique for syphilis?
Select the option including all sexpally transmitted diseases.
It is not included in $STI$
Which of the following virus has ds-$DNA$ as the genetic material and is transmitted mainly by sexual contact?