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Doctor insights on: Interferons Protect Body Viruses

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How do the interferons protect the body against viruses?

How do the interferons protect the body against viruses?

Toxic to viruses: Interferons are directly toxic to viruses; i cannot comment on the exact mechanism, however. ...Read more

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Interferon (Definition)

Interferons are a diverse group of proteins that belong to a class of glycoproteins known as cytokines. Interferons were first discovered for their ability to block viral replication within host cells. They also have been found to activate immune cells for many disease processes. There are several classes of interferons, types i, ii and iii, depending on ...Read more


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Can the immune system replicate antibodies from vaccines?

Can the immune system replicate antibodies from vaccines?

Unclear question: Immune system normally makes all types of antibodies in very small amounts. Vaccines increase the amount of antibodies to the antigens in the vaccine. ...Read more

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What are some barriers (natural, human body defences) to the hepatitis b virus?

What are some barriers (natural, human body defences) to the hepatitis b virus?

Hepatitis B infectio: Not being of black, hispanic and asian origin is one barrier to acquisition of hepatitis b virus (hbv) infection. Other factors include later age at first intercourse, abstinence and monogamous relationship. Because of the implementation of routine HBV vaccinations of infants in 1992 and adolescents in 1995, the prevalence of HBV infection has declined. In taiwan- from 10% in 1984 to 1% in 1994. ...Read more

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How can the body defend itself against varicellazoster virus (chickenpox) ?

How can the body defend itself against varicellazoster virus (chickenpox) ?

Through vaccination: The best protection against herpes varicella- zoster virus (vzu) is vaccination. ...Read more

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Does immune system destroy common warts virus?

Does immune system destroy common warts virus?

It can....: Get it treated! you can use the liquid you can also try oral Cimetidine (400 mg three times a day for 12-16 weeks). This is very safe and had the side effect of getting rid of warts for many people of adult size and weight (japma november 1, 1995 vol. 85 no. 11 717-718 ). It seems to boost the immune system and help get rid of warts. ...Read more

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Do inactivated rabies vaccines elicit cell mediated immunity(t-cells) aside from just antibody production?

Activated rabies vac: Yes. They activate dendritic cells and presumptively enhance immune function in that fashion. J virol 2011 feb; 85(4) :1634-44. ...Read more

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How does the hepatitis b virus attack the immune system?

How does the hepatitis b virus attack the immune system?

HEPATITIS B: Liver injury is determined by patient's immune response to infection. Hepatocellular damage is indicated by the presence of serologic immune markers, predominance of t lymphocytes and plasma cells. Response to therapy with corticosteroids and immunosuppressants. ...Read more

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How can viruses undermine our immune system?

How can viruses undermine our immune system?

Many: Since viruses can insert their DNA into our cells, they can modify our immune system mostly transiently. The extreme example would be HIV which destroys the lymphocytes which are the backbone of our immune system. ...Read more

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Does the immune system protect against cancer too?

Does the immune system protect against cancer too?

Yes: Natural killer cells help to kill cells that it recognizes as abnormal. So a poorly functioning immune system may make you more likely to develop cancer. ...Read more

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Does the seasonal influenza vaccine protect against h1n1?

Does the seasonal influenza vaccine protect against h1n1?

Yes: The 2011-2012 seasonal influenza vaccine was designed to protect against influenza a h3n2, influenza b and the h1n1 strain of influenza. Each year, the vaccine is designed to protect against the three strains that are predicted to be the most common in the upcoming influenza season. ...Read more

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Shingles vaccine needed in suppressed immune systems?

Shingles vaccine needed in suppressed immune systems?

Contraindicated: Shingles vaccine (zostavax) is a live attenuated vaccine that contains a pretty good dose of weakened chicken pox virus. It is not recommended in people who are immunosuppressed due to risk of infection arising from the vaccine. ...Read more

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What are two ways we support our immune systems in the fight against pathogens?

What are two ways we support our immune systems in the fight against pathogens?

Diet and exercise: A balanced diet with plenty of leafy green vegetables supports your immune system. Consider organic vegetables in a salad and juiced. Exercise every day however you like helps too. Stress reduction with meditation is a big help. This is such a good time in your life to develop these good habits. Also, live cheaply so you'll never get trapped in a job you no longer love. All the best. ...Read more

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If colds are caused by rhinovirus mainly, why doesn't our inmune system have defenses against it? (like measles).Does this virus change everyear?.

If colds are caused by rhinovirus mainly, why doesn't our inmune system have defenses against it? (like measles).Does this virus change everyear?.

Many viruses: The "common cold" is caused by many viruses, though, as you point out, rhinovirus is the most common accounting for 30–80% of colds in a given season. Others include a type of picornavirus with 99 known serotypes, coronavirus, influenza viruses, adenoviruses, human parainfluenza viruses, human respiratory syncytial virus, enteroviruses and more. ...Read more

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Can our immune system kill cancer cells?

Can our immune system kill cancer cells?

Yes and no: There is often some immune response to cancers. We pathologists can often see it under the microscope. Almost all cancers evade it eventually. Immune enhancers are highly effective for a minority of melanomas and kidney cancers. The immune response, especially to oat cell carcinoma, can make a person horrendously sick (blind, insane, more). Ignore any 'pop' immune enhancers for cancer. ...Read more

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Why can't our immune system clear HIV like other viruses?

Why can't our immune system clear HIV like other viruses?

HIV...: ...Damages the immune system itself; the mechanism it uses to develop immune response to other viruses, HIV uses to infect new cells. ...Read more

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Does the eye, if exposed to viruses/bacteria/cancer fluids, have any protective mechanisms? Like the way one's immune system attacks viruses in blood?

Does the eye, if exposed to viruses/bacteria/cancer fluids, have any protective mechanisms? Like the way one's immune system attacks viruses in blood?

Yes: Tear has enzymes and antibody (iga class primarily) .Lysozymes etc to act against invaders. The constant flushing from tear flow also helps cleanse the eye surface. ...Read more

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Does the human body even use the complement system at all to fight-off viruses?

Yes: If viral antigens or epitopes are expressed on the surface of the infected cell, then yes. They may "fix complement" leading to lysis. ...Read more

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Can humans with suppressed immune systems catch parvo?

Can humans with suppressed immune systems catch parvo?

Yes: Anyone catch become infected by the parvovirus, and having a surpressed immune system could but you more at risk. ...Read more

Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more