What Is The Most Common Entry Site For Infection?

What are the three steps in the chain of infection?

Chain of infectionThe Chain of Infection.

The reservoir.

The portal of exit from the reservoir.

The mode of transmission.

The portal of entry into the ‘host’ …

The susceptible host.

The infectious agent..

What are the sites of entry of an infection?

Infection Control A portal of entry is the site through which micro-organisms enter the susceptible host and cause disease/infection. Infectious agents enter the body through various portals, including the mucous membranes, the skin, the respiratory and the gastrointestinal tracts.

What are the 3 major portals of entry for disease?

An anatomic site through which pathogens can pass into host tissue is called a portal of entry. These are locations where the host cells are in direct contact with the external environment. Major portals of entry are identified in Figure 3 and include the skin, mucous membranes, and parenteral routes.

What is the most common route of infection?

ACVPM Center for Food Security and Public Health, Iowa State University. There are five main routes of disease transmission: aerosol, direct contact, fomite, oral and vector, Bickett-Weddle explained at the 2010 Western Veterinary Conference. Diseases can be spread to humans (zoonotic) by those same five routes.

What are the 4 main routes for infection to enter the body?

The Main Routes to InfectionBody fluids – A body fluid e.g. blood, urine, pus, saliva from one person enters the body of another e.g. through cuts or other means such as sexual intercourse (e.g. syphilis, HIV etc.). … Through the air – e.g. tuberculosis.More items…

What are the six stages of infection?

No matter the germ, there are six points at which the chain can be broken and a germ can be stopped from infecting another person. The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.