Causes and spread of infection Bacteria is a living thing that has only one single cell. It can survive inside and outside our bodies, in temperatures both above boiling and below freezing point. Many bacteria’s are harmless and essential to humans in terms of digesting food and helping to destroy cells that can cause disease. However some bacteria’s can make you ill, this is because they produce toxins that can damage tissues and surrounding cells. There are many ways bacteria can enter the body.
Causes and spread of infections 1 Understanding the cause of infection Bacteria can be both beneficial and pathogenic. These single cell micro-organisms are tiny living beings, neither plant or animal, that normally exist together in millions and reproduce only asexually. Some of their common illnesses and infections include ear infections, food poisoning, urinary tract infections, diphtheria, bacterial meningitis, gastritis and sinusitis. Viruses differ from bacteria, being coated genetic material and in that they do not reproduce on food, needing a living host to do so. They replicate by invading targeted cells of their host and taking over genetic material responsible for reproduction.
The common way of treating a virus is through immunization as anti-biotics will not be effective against viral infections. The virus infection can cause things like the Influenza, common cold, stomach flu, pneumonia, blood born infections, ear infections and HIV/AIDS. Fungi- live in the air, water, soil and on plants and they can live in the
Understanding the causes and spread of infection The differences are that bacteria are an organism which produces toxins which grow and then divide. Virus - are smaller than a cell. It can't reproduce outside the cell unlike bacteria, so they invade the cells and inject the genes into the nucleus and creates copies of itself Fungi - causes disease by absorbing nutrients, and producing toxins Bacteria, fungi and viruses are all separate entities and are completely different from each other. Parasites, however, can refer to a number of different things including bacteria, fungi and viruses. A parasite is any organism which lives inside a different organism in a symbiotic relationship in which only the parasite benefits from the symbiosis.
1. Identify the differences between bacteria, viruses, fungi and parasites. Bacteria are micro-organisms that are too small to see with the naked eye. They exist in virtually all environments in the world, such as dirty water, organic materials such as fallen trees and dead animals and inside the bodies of virtually every living animal on earth. Some pathogenic bacteria can cause a host of very serious diseases, such as pneumonia, meningitis.
However, the Indians were not the only people affected by these new-come epidemics. The Europeans suffered greatly from Syphilis. Syphilis, being a sexually transmitted disease, had the ability to hang on long after death. Simply put, syphilis did not go away. Even though the diseases such as small pox, syphilis, measles, malaria, influenza, yellow fever, and polio were contracted thru the human population, some animals had their share in the demise also.
There is a possibility of a crackling under the skin when compressed slightly, and an inability to contract the muscle in the affected area. Pathogenicity. The Clostridial bacteria most commonly infect a pre-existing wound either from injury or surgery. Because it is an anaerobic bacterium it will thrive in an environment with devitalized tissue. Once the infection has occurred the bacteria produce a toxic gas that kills muscle, providing an even more anaerobic area, which explains such rapid spread in the body.
People who are healthy usually recover quickly; however, people who are elderly or people with other medical illnesses are most at risk for a more severe, prolonged infection. There is no specific treatment for Norovirus because it is a virus, and therefore does not respond to antibiotics. It is important to be sure the patient gets enough fluids to avoid dehydration. Noroviruses are found in the feces and vomit of infected people and can spread very quickly in schools, daycares and medical facilities. It is spread through person to person contact, eating food or
Collagen is responsible for keeping the organs in place, and the virus destroys and digests such tissues. It also causes blood clots in the bloodstream, so the blood thickens and the blood flow weakens. These clots tend to get stuck in the blood vessels, which in turn causes the red spots on the skin. As the disease progresses, the
Pseudomonas aeruginosa: is the prime cause of life threatening burn infections. Gram- bacilli commonly found in the soil, water and an intestinal resident in 10% of normal people. Resistant to quats, soaps, dyes, drugs , drying , and temperature extremes. Frequent contaminant of hot