Diseases are only caused by microorganisms like bacteria.

Microorganisms like bacteria are reason behind a number of diseases some of which are even fatal. Should all microorganisms be considered harmful for humans?

Choose the correct option.
Assertion (A): Congenital diseases are not communicable.
Reason (R): Congenital diseases are caused by microorganisms.

Name the microorganisms that cause infectious disease, and name a few diseases caused by each microorganism.

Disease causing microorganisms are called__________