Question

Define Communicable diseases.

Answer 1

Communicable diseases:

1. Disease-causing microorganisms like viruses, bacteria, protozoa, and fungi are called pathogens.
2. Microbial diseases that can spread from an infected person to other healthy persons through air, water, physical contact, or animals are called communicable diseases.
3. Cholera, common cold, chickenpox, and tuberculosis are some examples of communicable diseases.