Describe the process of infection

Expert Solution

INFECTION

Infection is defined as the attack and growth of microorganisms in the body.

Process of infection

The infection process involves:

The infectious agent reservoir portal of entry mode of transmission the portal of exit new host.

Agents

Viruses
Fungi
Bacteria
Parasites

Reservoir

The reservoir is the environment that the agent needs to live which could be a person, an animal, soil or water.

Portal of entry

This involve entry of the agent into a susceptible host.

Mode of transmission

It can be through droplet, fecal-oral route, sexual or oral route.

Portal of exit

It can be through saliva, mucous membranes, feces, blood, or discharges from the nose.

The new host

This step consists of entering into a new host and repeating the cycle of infection.

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