A boy happens to put his foot on a rusted nail and the doctor gives him an injection. Most likely he has given
$OPV$
$BCG$
$ATS$
Tetanospasmin
What is true about $T-lymphocytes$ is mammals?
Swollen face, mental dullness, dry skin and loss of appetite is the characteristics of
Who stated that human population grows geometrically?
HIV causes reduction in
Penicillin was used in