Quick Answer: What Are The 3 Major Portals Of Entry For Disease?

What is an example of portal of exit?

A portal of exit is the site from where micro-organisms leave the host to enter another host and cause disease/infection.

For example, a micro-organism may leave the reservoir through the nose or mouth when someone sneezes or coughs, or in faeces..

What is the most common portal of entry for diseases into the body?

Microorganisms capable of causing disease—or pathogens—usually enter our bodies through the eyes, mouth, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread, or be transmitted, by several routes.

What diseases are carried in body fluids?

Examples of diseases spread through blood or other body fluids:hepatitis B – blood, saliva, semen and vaginal fluids.hepatitis C – blood.human immunodeficiency virus (HIV) infection – blood, semen and vaginal fluids, breastmilk.cytomegalovirus (CMV) infection – saliva, semen and vaginal fluids, urine, etc.More items…

What portal means?

gateway1) Portal is a term, generally synonymous with gateway, for a World Wide Web site that is or proposes to be a major starting site for users when they get connected to the Web or that users tend to visit as an anchor site. … A number of large access providers offer portals to the Web for their own users.

What disease is associated with bacteria?

Other serious bacterial diseases include cholera, diphtheria, bacterial meningitis, tetanus, Lyme disease, gonorrhea, and syphilis.

What is the most effective way to break the chain of infection and prevent disease?

Break the chain by cleaning your hands frequently, staying up to date on your vaccines (including the flu shot), covering coughs and sneezes and staying home when sick, following the rules for standard and contact isolation, using personal protective equipment the right way, cleaning and disinfecting the environment, …

How do you break portal of entry?

For example, nose and throat discharges can exit a human carrier when they sneeze. Other examples of exit portals are blood, saliva, feces, and so on. This link can be broken by avoiding coughing and sneezing into the hands or onto surfaces, but to the elbow instead.

How do viruses enter the human body?

In humans, viruses that cause disease like cold and flu are spread through bodily fluids, like spit or snot. The virus is so small that it leaves our bodies in these fluids, and can even float through the air in droplets from a sneeze or cough. The virus can enter the body through the eyes, nose, or mouth.

What are the 3 main ways infection can get into the body?

Germs can spread from person to person through:the air as droplets or aerosol particles.faecal-oral spread.blood or other body fluids.skin or mucous membrane contact.sexual contact.

What is the most common portal of entry?

skinThe skin is the largest organ of the body and a common portal of entry. Pathogens can gain entry through any opening in the skin, including hair follicles, sweat gland ducts, punctures, or cuts. All mucous membranes of the body are susceptible to infection.

What are the 4 ways infections can be transmitted?

Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.

What is inhalation portal of entry?

The portal of entry is the ability of infectious agents to enter the reservoir. Portals of entry into the human body include: Inhalation (via the respiratory tract) Absorption (via mucous membranes such as the eyes) Ingestion (via the gastrointestinal tract)

What are the different portals of entry for a pathogen to enter the body?

Infectious agents enter the body through various portals, including the mucous membranes, the skin, the respiratory and the gastrointestinal tracts.

What are examples of portal of entry?

Other portals of entry include the skin (hookworm), mucous membranes (syphilis), and blood (hepatitis B, human immunodeficiency virus).