Yes you can get chickenpox when you're 100
There is no harm or benefit in getting a third chickenpox vaccine, but the normal schedule is two vaccines.
No, that is not a usual symptom of chicken pox.
Not overly normal, but not so unheard of either.
It is likely that lymph nodes ("glands") in your next will be back to normal within months of having chickenpox.
It's not normal. See your health care provider for further evaluation. The initial diagnosis may be wrong, or there may be another problem besides chickenpox.
Ask your doctor.
yes completely normal. A periods can last anywhere from 3 to 9 days.
There is no chickenpox RNA; chickenpox is a DNA virus.
High, low or normal, depends on what you are dying from.
A person with a history of chickenpox or history of chickenpox vaccine will typically have a positive antibody test for chickenpox.
It is not normal to have a test to detect the level of chickenpox virus in your blood. There is a high level of chickenpox virus in your blood early in the infection. I suspect that you're asking about chickenpox antibody levels in your blood. High levels of antibodies to varicella zoster virus indicates immunity, whether through previous infection or through vaccination.
Chickenpox vaccine is useful. It reduces the risk of chickenpox, of complications, hospitalizations, and deaths from chickenpox, and of shingles.