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Explain How Infections Are Caused by Different Pathogens Essay

  • Submitted by: rukhsarmalik
  • on June 24, 2014
  • Category: Social Issues
  • Length: 531 words

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Below is an essay on "Explain How Infections Are Caused by Different Pathogens" from Anti Essays, your source for research papers, essays, and term paper examples.

P1: Explain how infections are caused by different pathogens:
  * Bacteria
  * Fungi
  * Protozoa
  * Parasites
  * Viruses

Bacteria:
Pathogens are microorganisms such as viruses or bacteria and these cause diseases in the body. Bacteria is a pathogen and are microscopic living cells that multiply at a rapid speed, once inside the body they spread toxins making the individual ill. Bacteria can cause diseases such as;

  * food poisoning
  * cholera
  * typhoid
  * whooping cough
  * gonorrhoea - a sexually transmitted disease

Bacteria can travel in many things such as food, water or even through the air. For example if an individual is sitting next to someone that keeps on sneezing, the individual will eventually breathe in that persons bacteria which is spreading through the air, causing them to become ill. Another example could be when an individual drinks dirty water which could be contaminated with bacteria, this could lead onto the individual getting food cholera.

Fungi:
Fungi is the term that refers to more than one fungus infections, the most common infections are Tinea, which is a fungal infections that affects an individual’s hair, skin or nails. Tinea is a fungal infection that can be easily spread, for example if you use a hairbrush that belongs to an individual that suffers from Tinea then the contact with your scalp could enable you to catch the fungal infection.

Another common fungal infection is Athletes foot; this usually appears between the toes and toenails and on the foot. Athlete's foot causes symptoms that include red, dry, cracked, and itchy skin between the toes. Some people also have red, scaly bumps filled with pus on the bottoms and sides of their feet. The symptoms are one

Protozoa:
Protozoa is not a pathogen; it is a single-celled organism. If food or water gets contaminated with protozoa then this could cause infections such as amoebic dysentery, of which severe diarrhoea is one of the symptoms....

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