What is the full form of $PMNL$?

What precautions are required for diseases spreading through vectors?

The mechanism of antibiotic resistance in mucoid bacteria is due to:

$A$ suspension of killed or attenuated bacteria useful for artificial immunization 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

Do you consider passive smoking is more dangerous than active smoking? Why?