The donor and recipient of the transplanting tissue are the same person. This type of grafting is known as:

$DPT$ vaccine doses are administered at specific intervals after birth. Identify the correct sequence for the $1^{st}$, $2^{nd}$, and $3^{rd}$ doses of $DPT$ from the following list:
$I$. $6 \; \text{weeks}$ after birth
$II$. $10 \; \text{weeks}$ after birth
$III$. $14 \; \text{weeks}$ after birth
$IV$. $24 \; \text{weeks}$ after birth
$V$. $29 \; \text{weeks}$ after birth

'Vaccination' was invented by

What is $PMNL$?

When children play barefoot in pools of dirty water and flood water,they may suffer from diseases like

Congenital diseases are those which