Which one of the following disease is sexually transmitted disease
Cancer
Syphilis
Diphtheria
Myocarditis
‘Quartan fever' is caused by
$A$ : Live attenuated vaccine is better in terms of immunity provided to the recipient.
$R$ : As secondary lymphoid organs, example peyer's patches are stimulated to protect the individual.
The phenomenon that led to the discovery of penicillin involves
Fatty liver syndrome appears due to