What is Louis Pasteur famous for?

$DPT$ 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

Grafting between two different species is known as:

In terms of chemical structure,an antigen is a type of .........

The accumulation of protein called amyloid $\beta$-peptide in the human brain causes:

What is health?