What are the five if that can cause infection?

Pathogens that cause infectious diseases are viruses, bacteria, fungi, parasites and, rarely, prions. You can get infectious diseases from other people, bug bites and contaminated food, water or soil.


What are the 5 causes of infection?

5 Common Ways Germs are Spread
  • Nose, mouth, or eyes to hands to others: Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends. ...
  • Hands to food: ...
  • Food to hands to food: ...
  • Infected child to hands to other children: ...
  • Animals to people:


What are the 5 signs of infection?

Know the Signs and Symptoms of Infection
  • Fever (this is sometimes the only sign of an infection).
  • Chills and sweats.
  • Change in cough or a new cough.
  • Sore throat or new mouth sore.
  • Shortness of breath.
  • Nasal congestion.
  • Stiff neck.
  • Burning or pain with urination.


What are the 5 most common infectious diseases?

Infectious diseases affect billions of people around the globe annually. According to WHO and the CDC, these infectious diseases are the five most common.
  • Hepatitis B. ...
  • Malaria. ...
  • Hepatitis C. ...
  • Dengue. ...
  • Tuberculosis.


What are the 5 links in the chain of infection?

Chain of infection
  • The Infectious Agent – or the microorganism which has the ability to cause disease.
  • The Reservoir or source of infection where the microorganism can live and thrive. ...
  • The Portal of Exit from the reservoir. ...
  • The Mode of Transmission. ...
  • The Portal of Entry. ...
  • The Susceptible Host.


Infectious Diseases - An Introduction



What are the 5 modes of transmission?

Modes of transmission
  • Direct. Direct contact. Droplet spread.
  • Indirect. Airborne. Vehicleborne. Vectorborne (mechanical or biologic)


What are four ways that infection can be spread?

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 are the 4 types of infections?

Infections are common. From ear infections and the flu to COVID-19, chances are we all have had at least one at some point. Viral, bacterial, fungal, and parasitic infections can all trigger sepsis.


What is the most common cause of infection?

Person to person. Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another. This can happen when an individual with the bacterium or virus touches, kisses, or coughs or sneezes on someone who isn't infected.

What are the 5 types of diseases?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

What are 3 common stages of infection?

Stages of Infectious Disease:
  • Incubation stage. – The time between the acquisition of the pathogen and the onset of symptoms.
  • Prodrome stage. – Nonspecific symptoms, such as fever or tiredness, occur.
  • Disease-specific symptoms. – Increase rapidly.
  • Recovery. ...
  • Health.


What causes blood infection?

Bacterial infections cause most cases of sepsis. Sepsis can also be a result of other infections, including viral infections, such as COVID-19 or influenza, or fungal infections.

What are common bacterial infections?

Some common types of bacterial infections include:
  • Food poisoning (gastroenteritis).
  • Some skin, ear or sinus infections.
  • Some sexually transmitted infections (STIs).
  • Bacterial pneumonia.
  • Most urinary tract infections (UTIs).


What are 7 common sources of infection?

Common sources of infection

Sources, e.g. airborne, blood borne, sexually transmitted, fecal, oral, environment, stagnant water, warm-water systems, animals.


What are the main types of infections?

As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.

What are 4 common bacterial infections?

Examples of bacterial infections include whooping cough, strep throat, ear infection and urinary tract infection (UTI).

What are the 6 causes of infection?

Pathogens that cause infectious diseases are viruses, bacteria, fungi, parasites and, rarely, prions. You can get infectious diseases from other people, bug bites and contaminated food, water or soil.


What are the 3 causes of infection?

Three things are necessary for an infection to occur:
  • Source: Places where infectious agents (germs) live (e.g., sinks, surfaces, human skin)
  • Susceptible Person with a way for germs to enter the body.
  • Transmission: a way germs are moved to the susceptible person.


What are the top 10 bacterial infections?

Most Deadly Bacterial Infections
  • Tuberculosis.
  • Anthrax.
  • Tetanus.
  • Leptospirosis.
  • Pneumonia.
  • Cholera.
  • Botulism.
  • Pseudomonas Infection.


What 3 things are needed to spread infection?

Transmission of infectious agents within a healthcare setting requires three elements: a source (or reservoir) of infectious agents, a susceptible host with a portal of entry receptive to the agent, and a mode of transmission for the agent.


What is source of infection?

From WikiLectures. Source of infection: An object is designed as the source of infection, is one in which the agent of infection lives and propagates.

What are the most common routes of infection?

Some disease-causing bacteria and viruses are carried in the mouth, nose, throat and respiratory tree. They can spread by coming into direct contact with droplets when an infected person coughs or sneezes, or through saliva or mucus on unwashed hands.

What are the 6 types of transmission?

Manual and automatic are the two types of transmission but there are different kinds of automatic transmissions like Automatic Transmission, Continuously Variable Transmission, Semi-automatic transmission, Tiptronic transmission and Dual Clutch Transmission.


How many steps are there in the chain of infection?

The 6 points include: the infectious agent, reservoir, portal of exit, means of transmission, portal of entry, and susceptible host. The way to stop germs from spreading is by interrupting the chain at any link.

What are the 5 modes of transmission quizlet?

Match
  • Modes of Transmission. where an infectious agent is transferred from a reservoir to a susceptible host. ...
  • Direct Contact. occurs through skin-to-skin contact, kissing, and sexual intercourse. ...
  • Droplet Spread. ...
  • Airborne. ...
  • Vehicles. ...
  • Vectors. ...
  • Portal of Entry.