Question

definition of infectious diseases

Answer 1

Infectious disease:-the diseases which are caused by bacteria, protozoa etc.these organisms can go from one body to another and cause the same disease to others too. We also call them communicable diseases.

Answer 2

Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another. Zoonotic diseases are infectious diseases of animals that can cause diseases when transmitted to humans...they are harmful as well as friendly to humans....