Which organ is affected if a person is suffering from jaundice?

Name in which

(a) Antibiotic has no role.

(b) Kissing does not spread the disease while sexual transfer the same.

(c) Mass scale immunization is going on in India.

(d) Virus, bacterium and protozoa can be causal agent.

What is an epidemic disease?

Why are we normally advised to take bland and nourishing food when we are sick?

Why antibiotics effective against bacteria but not against viruses?