The main reason why antibiotics could not solve all the problems of bacteria mediated diseases is

Malaria fever coincides with liberation of

$A$ : $A$ person who has received a cut accidentally and is bleeding needs to be given anti-tetanus treatment.
$R$ : Anti-tetanus injection provides active immunity by providing preformed antibodies for tetanus.

What is true about $T-lymphocytes$ is mammals?

Psychosis is characterised by