Infectious illnesses are ailments caused by microorganisms such as bacteria, viruses, fungi, or parasites that are spread from person to person, either directly or indirectly. People can also become infected by coming into contact with an infected animal carrying a pathogenic bacterium capable of infecting humans.

Infectious diseases are a prominent cause of death around the worldand the main challenge of this sickness is its route of transmission because the causative organism is completely invisible and beyond our five sense organs’ perception. The only method to tackle this condition is to have up-to-date knowledge, accurate diagnosis, and therapy.