$A$ disease like dengue is spread by:

How can infectious diseases be prevented and controlled?

Which of the following is an autoimmune disease?

Which type of disease easily spreads from one person to another?

What was the major contribution of Louis Pasteur to the field of biology?

$DPT$ 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