Question: Is Intact Skin A Portal Of Entry?

What does portal of entry mean?

The portal of entry refers to the manner in which a pathogen enters a susceptible host.

The portal of entry must provide access to tissues in which the pathogen can multiply or a toxin can act.

Often, infectious agents use the same portal to enter a new host that they used to exit the source host..

What does Portal mean?

(Entry 1 of 3) 1 : door, entrance especially : a grand or imposing one. 2 : the whole architectural composition surrounding and including the doorways and porches of a church. 3 : the approach or entrance to a bridge or tunnel.

Who was most affected by smallpox?

By that time, the contagious disease, caused by the variola virus, had spread all across Africa and Asia as well, prompting some cultures to worship special smallpox deities. In the Old World, the most common form of smallpox killed perhaps 30 percent of its victims while blinding and disfiguring many others.

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 are the 3 major portals of entry for disease?

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)Inoculation (as the result of an inoculation injury)Introduction (via the insertion of medical devices)

How do you break portal of entry?

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, …

Can smallpox be cured?

There is no cure for smallpox, but vaccination can be used very effectively to prevent infection from developing if given during a period of up to four days after a person has been exposed to the virus. This is the strategy that was used to eradicate the disease during the 20th century.

What are the 8 modes of transmission?

The modes (means) of transmission are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle. The portal of entry is the means by which the infectious microorganisms gains access into the new host.

What is an example of a portal?

An example of a portal is a door into a room. An example of a portal is a website that takes you to many other websites. A doorway, entrance, or gate, especially one that is large and imposing.

What is the most common portal of entry?

Mucosal surfaces are the most important portals of entry for microbes; these include the mucous membranes of the respiratory tract, the gastrointestinal tract, and the genitourinary tract.

What is the portal of exit for smallpox?

The portal of entry for variola virus is usually through the oropharyngeal or respiratory mucosa; the virus also can enter through the skin, and rarely, through the conjunctiva or placenta (Fenner 1988). The virus migrates rapidly to regional lymph nodes.

How do you use portal in a sentence?

Portal sentence examplesHe waited for the portal behind her to close. … Deidre watched the portal close. … His attention was on a point behind her, and she turned to see a portal waiting. … We were both in the portal room. … The portal is in the center. … He opened a portal and returned to the beach where they met.More items…

Who was most likely to get smallpox?

Pregnant women and people who are immunocompromised are more susceptible to variant forms of smallpox. It is unclear how long the smallpox vaccine provides effective immunity, but it is unlikely to be more than 10 years.

What disease is associated with bacteria?

Bacteria cause many common infections such as pneumonia, wound infections, bloodstream infections (sepsis) and sexually transmitted diseases like gonorrhea, and have also been responsible for several major disease epidemics.

How does a portal work?

In a nutshell, Portal is a video calling hub with built-in Alexa smart assistant that requires a Facebook account to work. You can call any other Facebook member in your friends list (via Facebook Messenger), with your call appearing on their phone, tablet, or – if they have one, too – their Portal device.