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Yes, it's possible that varicella titer is positive, and then negative. The CDC does not recommend revaccination in this case.
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In terms of chemistry, a titer is a specific way to express a solution's concentration. The process of titer testing uses serial dilution to obtain quantitative information that is either negative or positive.
The ANA titer is the number of times the blood sample has to be diluted before a sample remains that has no antinuclear antibodies. The first dilution is 1:40, then 1:80, then 1:160, then 1:320. The ANA number does not correlate to the level of disease activity. Many people have a positive ANA and no disease at all. In lupus, the immunofluorscent pattern is of more significance than the titer. A speckeld pattern points to the likelihood of lupus.
You appear to be confused about the nature of shingles. A positive varicella titer shows that you have had chickenpox in the past, or that you have had the vaccine for chickenpox. You can't get shingles unless you've had chickenpox. If you have had chickenpox, a positive varicella titer is not protective against shingles, and you may need the vaccine. Discuss with your health care provider whether shingles vaccine makes sense for you.
1:80 titre is significant for determination of widal positive.
a blood test to determine if you have immnuity to varicella (chicken pox).
MMR titer will not detect THC.
It means that they tested for the vaccine in your body and it tested positive aka, vaccine is already inside you. No need for another
high titer of Antibodes in a person means that person or animal is exposed to disease . this titer would be 7 to 9.if titer is upto 4 or 6 well means animal or the human is vaccinated.
A low positive herpes titer is evidence of past exposure to the virus. It can't tell you whether you have oral herpes, as most adults do, or genital herpes, or some other form.