Where is the Central Drug Research Institute $(CDRI)$ located?

$A$: It is considered advantageous to give the polio vaccine orally.
$R$: It prevents reinfection by causing intestinal immunity.

The germ theory of disease was put forth by

Match the correct group of disease, causative agent, and symptoms.

Name of Disease	Causative agent	Symptoms
$1$. Malaria	$i$. $Entamoeba \text{ } histolytica$	$p$. Diarrhoea and flatulence
$2$. Elephantiasis	$ii$. $Plasmodium \text{ } ovale$	$q$. Enlargement of lymph vessels and nodes
$3$. Amoebiasis	$iii$. $Brugia \text{ } malayi$	$r$. Arthralgia and anaemia

The polio vaccine was developed by:

Which of the following is not an antibiotic?