Following are infection sites for syphilis, $EXCEPT$

Match the following sexually transmitted diseases (column $I$) with their causative agent (column $II$) and select the correct option.

Column-$I$	Column-$II$
$A$. Gonorrhoea	$i$. $HIV$
$B$. Syphilis	$ii$. Neisseria
$C$. Genital warts	$iii$. Treponema
$D$. $AIDS$	$iv$. Human papilloma virus

Which of the following is $NOT$ included in $STIs$?

Define the location and function of the following: Copper-$T$ and Neisseria gonorrhoeae.

$A$ : Diseases or infections which are transmitted through sexual intercourse are collectively called sexually transmitted diseases $(STDs)$.
$R$ : $STDs$,if not properly treated,may lead to pelvic inflammatory diseases,abortion,stillbirth,ectopic pregnancies,infertility,or even cancer of the reproductive tract.

The test for 'syphilis' was developed by