Varicella vaccine didn't work?I'm volunteering in a hospital and I had to do a health screening. I just got a letter in the mail that said my blood test came back negative for immunity, and I got vaccinated for chickenpox only weeks earlier. HOW?
Negative for immunity to varicella specifically.
Answer by Laurie
That vaccination doesn't always work.
Answer by kelly d
vaccinations dont always work on everyone, they work on most people, which effectively stops the spread of the disease, but...depending on how recently you got the shot, you might not have had time to build up immunity yet
Answer by Jaibie
There are different types of antibodies - IgM which appears early and IgG which appears later and lasts in your blood. The test looks for IgG against the varicella virus and you will not have made this type of antibody yet.
There is also a possibility that the immunisation failed - either it was stored incorrectly at some point or you failed to respond to the vaccine. This can happen in a small percentage of vaccinations.
Wait 6-8 weeks before repeating the blood test. If it is still negative you could consider re-vaccination. In the meantime you just need to give the hospital a letter from your doctor stating that you have had the vaccination.
Answer by Stephen
its probable too early to detect antidodies. There are also different antibodies. If tou were recently immunised you will produce IgM first, the screening test uses IgG antibodies. Get re tested in 8 weeks by then it shouls show immunity
Get the facts on the chickenpox vaccine, treatment, causes (varicella zoster virus, VZV), symptoms and signs (itchy, red rash).
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