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A rash can be an indicator of a fungal infection of the skin. Prion disease A prion is a protein that contains no genetic material. It is normally harmless, but if it folds into an abnormal shape, it can become a rogue agent and affect the structure of the brain or other parts of the nervous system.
Prions do not replicate or feed on the host but trigger abnormal behavior in the body's cells and proteins. Prion diseases are rare, but they progress rapidly, and all are currently fatal.
Prions cause degenerative brain diseases, such as: Other infections While the forms of infection mentioned above are the Bacterial and viral infections essay types, there are others that can have an effect on the body. A single-celled organism with a nucleus can cause a protozoan infection.
Protozoa commonly show features similar to animals, such as mobility, and can survive outside of the human body. They are most commonly transferred by contact with feces. When they enter the human body, protozoa can also cause infection. Amebic dysentery is an example of a protozoan infection.
Helminths are larger, multicellular organisms that tend to be visible to the naked eye when full-grown. This type of parasite includes flatworms and roundworms. These are also able to infect the human body.
Finally, ectoparasites such as mites, ticks, lice, and fleas can cause infection by attaching or burrowing into the skin. The term can also include blood-sucking arthropods, such as mosquitos, that transmit infection by consuming human blood. Causes The cause of an infection is said to be whichever type of organism has invaded the body.
A particular virus, for example, will be the cause of a viral infection. The effects of an infection, such as swelling or a runny nose, occur as a result of the immune system fighting the invading organism.
A wound filling with pusfor example, occurs when white blood cells rush to the site of an injury to combat foreign bacteria. Symptoms The symptoms of an infection depend on the organism responsible as well as the site of the infection. Viruses target specific cells, such as those in the genitals or upper respiratory tract.
The rabies virus, for example, targets the nervous system. Some viruses target skin cells, causing warts. Others target a wider range of cells, leading to various symptoms. A flu virus can cause a runny nose, muscle aches, and an upset stomach.
A person with a bacterial infection will often experience redness and heat, swelling, fever, pain at the site of infection, and swollen lymph glands. A bacterial infection is less likely to affect a wide area of the body than a viral one.
Common symptoms of prion diseases include brain damage, memory loss, and cognitive difficulties. They can also trigger the buildup of plaque in the brain, causing it to waste away.
Prevention There is no single way to prevent all infectious diseases, but the following tips can reduce the risk of transmission: Wash your hands often, especially before and after preparing food and after using the bathroom.
Clean surface areas and avoid leaving room-temperature food exposed when cooking. Receive any recommended vaccinations, and keep them up to date. Only take antibiotics when prescribed, and be sure to complete any recommended course even if symptoms improve earlier than anticipated.
Disinfect rooms where there may be high concentrations of bacteria, such as the kitchen and bathroom. Practice safe sex by receiving regular STD checks, using condoms, or abstaining altogether.Lipitor (atorvastatin) is a prescription drug used to lower blood cholesterol. Common side effects are fatigue, flatulence (gas), heartburn, and constipation.
Drug interactions, dosage, and pregnancy and breastfeeding safety information are provided. produces to help fight viral infections), can now be produced in the laboratory and is used to treat hepatitis C infections.
Immunization against viral infection is not always possible It is possible to vaccinate against many serious viral infections such as measles, mumps, hepatitis A and hepatitis B.
Essay on Causes and Spread of Infections Paige Edwards Unit Viral infections are different than bacterial because they are caused by viruses which are smaller than a bacterium or fungus.
Bacterial infections are normally treated with a cause of antibiotics. Bacterial and viral infections can both cause the same kinds of symptoms. It can be difficult to distinguish which is the cause of a specific infection.
 It's important to distinguish, because viral infections cannot be cured by antibiotics. Describe differences between viral and bacterial infections. Explain why proper identification of viral and bacterial infections is key to selecting the proper antimicrobial agent. Chapter 8, “Principles of Antimicrobial Therapy” (pp.
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This section on autism discusses the many theories of the causes of autism spectrum disorders in light of recent research. Written by Dr. Lewis Mehl-Madrona as part of a comprehensive site on children with brain injury, developmental disorders and related neurometabolic conditions. Bacterial and Viral Infections Essay - Bacterial and Viral Infections Being part of the Sports Medicine profession, Athletic Trainers have to be ready for anything and everything when it . Viruses, an international, peer-reviewed Open Access journal. The mechanisms that drive formation of the HIV capsid, first as an immature particle and then as a .
Bacterial and viral infections have many things in common. Both types of infections are caused by microbes -- bacteria and viruses, respectively -- and spread by things such as: Acute infections.