2 doctors weighed in:
Hep b surface ab results - my doc says a positive might not always stay positive?
2 doctors weighed in

Dr. Michael P Vaughn
Internal Medicine - Allergy & Immunology
1 doctor agrees
In brief: Antibody levels
Antibodies can last a lifetime or disappear as we age.
At one time patients were told that at age 65 they would only need one pneumonia shot, the current recommendation is to consider a booster after 5 years.

In brief: Antibody levels
Antibodies can last a lifetime or disappear as we age.
At one time patients were told that at age 65 they would only need one pneumonia shot, the current recommendation is to consider a booster after 5 years.
Dr. Michael P Vaughn
Dr. Michael P Vaughn
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