Doctor insights on:
How Does The Immune System Fight Smallpox
Two stages: Natural Killer cells are the first immune step that seeks out the malaria to mark it for the body to "kill" it. A second step is the T cell that also seeks the genetic marker of the malaria to flag it for a "kill". Since malaria invades natural cells of the body it can begin to hide from the immune system and replicate. Consider vaccination if traveling in high risk areas with malaria. ...Read more
Complicated: Natural killer cells can recognize tumor cells and virally infected cells and destroy those. T-cells and antibodies to markers on tumor cells may also destroy tumor cells. Unfortunately, most of the time, some cancer cells evade this destruction and continue the disease process. The hope and potential of immune therapy remains to be realized. ...Read more
Heard to simplify.: Like a complicated orchestra plays a difficult score. Different germs produce different responses. There are is nonspecific and specific immune responses. Even the skin oils, saliva, stomach acid tears and sweat are important here. It is much to difficult to quickly answer which is why i taught a course taking 20 hours on the subject to medical students. ...Read more
Immune system: The immune system is composed of many interdependent cell types that collectively protect the body from bacterial, parasitic, fungal, viral infections and from the growth of tumor cells. Many of these cell types have specialized functions. The cells of the immune system can engulf bacteria, kill parasites or tumor cells, or kill viral-infected cells. Often, these cells depend on the t helper cells. ...Read more
Immune system: This is a very in-depth topic that could never be described with adequate detail in this little box. Please check out this website for specific information on the entire immune system. http://www.niaid.nih.gov/topics/immunesystem/pages/default.aspx. ...Read moreSee 1 more doctor answer
Please see below: Children and adults who have giardia infection without symptoms usually don't need treatment unless they're likely to spread the parasites. Many people who do have problems often get better on their own in a few weeks. If you have to treat:metronidazole (flagyl). Tinidazole (tindamax). Nitazoxanide (alinia). ...Read more
Complicated: By fighting tumor causing viruses, e.G, ebv, hpv, good immune response may prevent the development of tumors. There is a general hypothesis that tumors have antigens not present on normal cells and that immune system may be able to eliminate incipient cancers. However the system is far from perfect as cancers occur all the time. ...Read more
HIV: Hiv is the disease that destroys cd4 helper t-cells in our body. Aids is the final stage when HIV has won and overwhelmed the immune system. There are so many good treatments, you must see your infectious disease specialist to be placed on appropriate HIV therapy. ...Read moreSee 2 more doctor answers
Mites: I will answer in regards to dust mites, because you did not specifiy what mites you are asking about. Dust mites do not invide the body but some individuals become allergic to their fecal material. The body produces ige to it and a cascade of imunological events occurs that causes symptoms of nasal allergies, asthma and eczema. ...Read more
Intriguing: We don't know how or why infection with nematodes minimizes the chance of developing autoimune diseases such as crohn's or ulcerative colitis. Preliminary research indicates an interacton between t-helper cells (part of immune system) and nematodes. More research is underway. ...Read more
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