Causes and Spread of Infection Essay Example for Free

Causes and Spread of Infection Essay1.1Identify the differences between bacteria, viruses, fungi and parasitesBacteria are a single celled organism that multiplies by themselves. The majority of bacterias are harmless and beneficial to the human body nevertheless some can make up infectious diseases. A bacterium usually affects one part of the body and doesnt spread across or through the body. Bacterial infections are normally treated with a take a crap of antibioticsViruses are made up of genes and proteins that spread throughout the body by invading the bodys own cells so they can reproduce and regurgitate in the body. They use the bodys cells as a host because they are unable to multiply on their own. They are normally spread at one time from human to human.Fungi like to grow in warm, moist places. Some fungi can be beneficial to us such as penicillin, but certain cases of fungi can be harmful to our health. Symptoms for fungal diseases can be as common as itching, coug hing, fever, wheezing, but they can also be as serious as meningitis or even death.Parasites are organisms that use other organism for its survival. They draw nourishment and other needs from its host organism. Parasites that cause infection and disease are known as Pathogenic parasites.1.2. Identify common illnesses and infections caused by bacteria, viruses, fungi and parasitesBacteria Ecoli/food poisoning, MRSA, CDIF, Sickness and diarrhea Viruses putting green cold, Influenza, Chicken pox, Cold sores, HIV Fungi Athletes foot, Thrush, yeast infections, Ring Worm Parasites Tape worms, Scabies, Malaria1.3 Describe what is meant by infection and colonisationInfection is an invasion of a host organisms and bodily tissues by a disease causing organism. Colonisation occurs when any one or more species populate a specific area.1.4 develop what is meant by systemic infection and localized infectionSystemic infection affects a number of organs or tissues or affects the whole body e.g . type 2 diabetes, aids and hyper tension. Localized infection confined to one organ system or area in the body e.g. abscess, boil, sprain.1.5 Identify poor practices that may lead to the spread of infectionNot wearing personal protective equipment such as disposable gloves, disposable aprons, washing hands and disposing of clinical crazy in the correct way.