Source of infections - bacteria, viruses and fungi.

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Moshin Fazil

Mr Frimpong

Unit 21.2

Source of infections

Assignment 21.2 (Merit)

Bacteria

Bacteria are a common source of infection which can multiply with an incredible amount within a minute.  Bacteria can live on a living animal as well as a human due to the conditions; warmth, vitamins, minerals and sugars.

There are stages that occur before the bacteria takes full effect on the human body. Headaches and fevers will appear this is because the bacteria cells are damaging the human body cells within a body causing an illness.

Bacteria can cause a source of infection by a direct Contact, contaminating water that is dirty. This can cause a lot of illnesses; Cholera and typhoid. Dust from the air and any sort of bites from a mammal to an insect. Mosquitoes usually have infections that spread due to containing a bad blood type from a previous person which is then passed on to another person causing illnesses.

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This can also be cured due to the pathogens within a human body. The pathogens can fight the bacteria cells and remember them so that if the same cells enter the body the pathogens can fight the cells. Pathogens are a defence for the human body without it the human body will not be able to fight the bacteria cells.

Bacteria sources of infections

  • Syphilis
  • Skin infections

Modes of transmissions

  • Contact, by a mammal or insect; will have to have a contact with the person.

Methods of entry in the human Body

  • Bites from mammals ...

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