Viral infections list,doctors of alternative medicine,alternative medicine essay free,treatment for herpes simplex 1 - Downloads 2016

admin | Category: Lysine Supplement Herpes | 10.01.2015
Viruses are small particles of genetic material (either DNA or RNA) that are surrounded by a protein coat. When most people hear the word "virus," they think of disease-causing (pathogenic) viruses such as the common cold, influenza, chickenpox, human immunodeficiency virus (HIV), and others.
Contagiousness refers to the ability of a virus to be transmitted from one person (or host) to another. Rhinovirus is the virus that most often causes the common cold, but there are more than 200 different viruses that can cause colds. Respiratory Syncytial Virus (RSV) is an infection that can cause both upper respiratory infections (like colds) and lower respiratory infections (like pneumonia and bronchiolitis).
Frequent hand-washing, covering the nose and mouth when coughing or sneezing, and avoiding contact with infected individuals can all reduce the spread of respiratory infections.
Molluscum contagiosum causes small, flesh-colored bumps most often in children ages 1 to 10 years old; however, people of any age can acquire the virus. Varicella-zoster virus (VZV) causes itchy, oozing blisters, fatigue, and high fever characteristic of chickenpox.
The best way to avoid viral skin infections is to avoid skin-to-skin contact (especially areas that have a rash or sores) with an infected individual.
Rotaviruses and noroviruses are responsible for many (but not all) cases of viral gastroenteritis, which causes inflammation of the stomach and intestines. It’s not pleasant to think about it, but foodborne viral illnesses are transmitted via the fecal-oral route. Genital herpes is a common sexually-transmitted infection caused by herpes simplex virus-2 (HSV-2). Human immunodeficiency virus (HIV) is a virus that affects certain types of T cells of the immune system.
People can reduce the risk of getting a sexually-transmitted viral infection by abstaining from sex or only having sex while in a monogamous relationship with someone who does not have a sexually-transmitted infection. Viruses are abundant in the world and cause many other infections ranging from mild to life-threatening. Epstein-Barr virus (EBV) is a type of herpes virus that’s associated with fever, fatigue, swollen lymph nodes, and an enlarged spleen. West Nile virus (WNV) is a virus that’s most commonly transmitted by infected mosquitos.


Viral meningitis is an inflammation of the lining of the brain and spinal cord that causes headache, fever, stiff neck, and other symptoms.
Viruses can affect many areas in the body, including the reproductive, respiratory, and gastrointestinal systems. Viruses are much smaller than bacteria and can’t reproduce without the assistance of a host.
Some viral skin infections, such as varicella-zoster virus, are also transmitted by an airborne route. This means that a person gets the virus by ingesting virus particles that were shed through the feces of an infected person. Some sexually transmitted infections can also be transmitted via the blood (blood-borne transmission). Herpes simplex virus-1 (HSV-1), the virus responsible for cold sores, can also sometimes cause genital herpes.
Progression of the infection decreases the body’s ability to fight disease and infection, leading to acquired immune deficiency syndrome (AIDS). Using a condom decreases, but doesn’t entirely eliminate, the risk of acquiring a sexually-transmitted infection. Many viruses can cause viral meningitis, but a group of viruses called enteroviruses are most often to blame. Other times, treatment of viral infections focuses on symptom relief, not fighting the virus. Viruses infect a host by introducing their genetic material into the cells and hijacking the cell’s internal machinery to make more virus particles.
An incubation period refers to the time between exposure to a virus (or other pathogen) and the emergence of symptoms. Other viruses can be transmitted through sexual contact or by sharing contaminated needles. People who have had chickenpox or the chickenpox vaccine are at risk for developing shingles, an illness caused by the same virus. Communal showers, swimming pools, and contaminated towels can also potentially harbor certain viruses. Up to 15% of infected individuals experience recurrent illness within 6 months of infection.


Someone with this type of virus who doesn’t wash their hands after using the restroom can transfer the virus to others by shaking hands, preparing food, or touching hard surfaces.
Some people with the virus don’t have any symptoms while others feel like they have the flu. Minimizing the number of sexual partners and avoiding intravenous drug use are other ways to reduce the risk of acquiring sexually-transmitted and bloodborne viral infections. For example, cold medicine helps alleviate the pain and congestion associated with the cold, but it doesn’t act directly on the cold virus. Because viruses affect the DNA of host cells, viruses are known to contribute to several different types of cancer.
With an active viral infection, a virus makes copies of itself and bursts the host cell (killing it) to set the newly-formed virus particles free. At a later date, a trigger, such as stress, sunlight, or something else, may reactivate the virus and lead to new symptoms. Insects including ticks and mosquitoes can act as "vectors," transmitting a virus from one host to another. Viruses get a bad rap, but they also perform many important functions for humans, plants, animals, and the environment.
The virus makes more copies of itself, releases new virus particles, and kills more host cells. Lab tests may help clarify whether an illness is due to a virus, bacteria, or other infectious agent or disease process. Viruses also participate in the process of evolution by transferring genes among different species. Symptoms of the viral illness occur as a result of cell damage, tissue destruction, and the associated immune response. In general, antiviral medications are most effective when they’re taken early on in the course of an initial viral infection or a recurrent outbreak. Different kinds of antiviral medications may be used to treat chickenpox, shingles, herpes simplex virus-1 (HSV-1), herpes simplex virus-2 (HSV-2), HIV, hepatitis B, hepatitis C, and influenza.




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