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Doctor insights on: Varicella Immunity Test

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Antibodies for varicella zoster IgG positive, and varicella IgM negative, means immunity for shingles or just for chicken pox?

Antibodies for varicella zoster IgG positive, and varicella IgM negative, means immunity for shingles or just for chicken pox?

Both: Varicella and zoster are the same virus. Chickenpox occurs with the first exposure to the virus and zoster is the re-activation of the virus that has been lying dormant in the body as a result of some significant stress to the body. ...Read more

Immunity (Definition)

In medicine, having an immunity to certain disease is to mean you are protected from getting it. For example: flu vaccination trigers the body to develop the immunity(antibody)/protection so that it won't get the flu. The idea is similar to the law: to provide immunity to someone is to protect that person from potential physical harm by other(s). Have ...Read more


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Immunity to rubella means immune to chickenpox?

Immunity to rubella means immune to chickenpox?

No: These are two different germs and immunity to one does not mean immunity to the other. ...Read more

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Will past chicken pox cause positive IgG test?

Will past chicken pox cause positive IgG test?

? Igg for Cpx ?: A past chickenpox infection should be evident if a sample is testes for chickenpox igg. As it becomes less common, a positive igg study is likely to be the new standard for proving you had it or got the vaccine and may be required for college entry, work, or other reasons. ...Read more

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Does the chicken pox vaccine confer lifelong immunity?

Does the chicken pox vaccine confer lifelong immunity?

Possibly: Introduced in the late 70's in japan, the current CP vaccine was not adopted in the us until the 90's. There are good data that one dose removes the risk of death with cp, but likely only 85% get protective immunity from 1 dose, with that improving to >95% after 2 doses given at least a month apart. Time will tell if future boosters are needed but with 30+ years of worldwide data it looks good. ...Read more

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Is rubella immune blood test positive good?

Is rubella immune blood test positive good?

No,indicates imunit: A positive test for rubella immunity indicates your body has been exposed to wild rubella or the rubella vaccine ; developed protective antibodies to it. If you are female, it means you will not pass rubella to your fetus if u are exposed to the illness during pregnancy ; get the disease. ...Read more

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VZV IgG titer= 1926, VZV IgM titer >3.91 with reactivated shingles present. What does test mean? Active VZV infection? Is 1926 dangerously high.

VZV IgG titer= 1926, VZV IgM titer >3.91 with  reactivated shingles present. What does  test mean? Active VZV infection? Is  1926 dangerously high.

No it just means: You had chickenpox previously. It is not dangerous at all . The IGm is what tell that you have reactivated and then it is called shingles. You can't have shingles if you did not have chickenpox before. ...Read more

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HBV test results: Hepatitis B Surface Antigen: Nonreactive; Hepatitis B Core Antibodies: Reactive; HBV PCR: Negative. Need any medication or vaccine?

HBV test results: Hepatitis B Surface Antigen: Nonreactive; Hepatitis B Core Antibodies: Reactive; HBV PCR: Negative.  Need any medication or vaccine?

Excellent question: and your story stumps many a doctor, often! :) a lot of the recommendations depend on - are you someone with risk factors for HBV? is this the first time that it has been checked? are your liver enzymes normal? are you about to undergo any procedures/ treatments that could put you at risk for HBV? If you have no sig risk factors, yes, I'd vaccinate you if there's potential for exposure. ...Read more

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Igg positive for rubella ;igg pos fr cytomegalo virus?

Igg positive for rubella ;igg pos fr cytomegalo virus?

Immunity: This just means that there is immunity to rubella and cytomegalovirus based on passed infection. ...Read more

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Please help if i can go ahead with my pregnancy rubella antibody IgM 1.33 equivocal rubella avidity IgG 71.90% high rubella antibody IgG 34.4 reactive?

Rubella: Rubella, also known as the german measles, is an infection in which there is a rash on the skin. You are immunized against rubella with the positive igg. The igm should be repeated and you can ask for a nasal or throat swab sent for culture. Ask your ob! did you/do you have a rash or symptoms? ...Read more

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IMy HBV test results (red cross): Hepatitis B Surface Antigen: Nonreactive; Hepatitis B Core Antibodies: Reactive; HBV PCR: Negative. Do I have HBV?

IMy HBV test results (red cross): Hepatitis B Surface Antigen: Nonreactive; Hepatitis B Core Antibodies: Reactive; HBV PCR: Negative.  Do I have HBV?

Cured, but...: If a person's Hep B surface antigen is nonreactive, that means the lab does not find pieces of the surface of the virus. If her Hep B virus PCR is negative, that means the lab does not find the virus's DNA (genes). If the core antibody is reactive that means her immune system REMEMBERS being infected with Hep B. She is cured, but some viral DNA might be attached to her own human DNA in her liver. ...Read more

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If I take a regular blood test does it proves immunity to measles, mumps, and rubella (MMR titer)?

If I take a regular blood test does it proves immunity to measles, mumps, and rubella (MMR titer)?

MMR titer: This has to be specifically ordered. Don't know what you mean be a regular blood test. Generally a tube of blood will be drawn from a vein, the titers ordered and the results should be back fairly repidly depending upon the lab to which they are sent. ...Read more

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Does a lab test, testing for measles, mumps, and chickenpox, also detect rubella?

Does a lab test, testing for measles, mumps, and chickenpox, also detect rubella?

No: All of these viruses are detected by individual blood tests. A separate one is needed for each. ...Read more

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Rubella igg. Results postive. Pregnant.Should.Icocerned

Rubella IgG: This means that you have been vaccinated for this infection. And, you are fully immune to it. There is nothing to worry about in regards to being pregnant. ...Read more

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Immune to rubella, measles, mumps if you've had vaccines 2x before age six?

Mostly: Although vaccines are safe and effective, there is an occasional peron whose immune system does not respond well to the recommended series. Thus they are not immune. If needed, blood tests can measure this. Still worth immunizing to maximize protection. ...Read more

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Tuberculosis vaccinated, TB test positive...Will my ANA be positive because of TB test positive due to vaccine?

Tuberculosis vaccinated, TB test positive...Will my ANA be positive because of TB test positive due to vaccine?

No: There is no cross reaction between them. By the way, up to 5% of normal individuals may test positive to ANA test, usually at low titer. ...Read more

Dr. James Ferguson
747 doctors shared insights

Chickenpox (Definition)

Caused by the varicella-zoster virus, chicken pox results in a blister rash that starts on the stomach, back, and face and spreads throughout the entire body. These small itchy blisters eventually scab over. Associated symptoms include itching, fatigue, malaise, and a fever. The most effective method to prevent spreading of the varicella virus is ...Read more