Can antibodies be used multiple times?

Patient's question:

Freshman student, already has hepatitis B antibodies, but not sure about their strength. The school asked me to get another shot. Can antibodies be given more than once? Will getting extra shots cause any side effects?

Doctor's answer:

After anesthesia for the hepatitis B vaccine, antibodies generally gradually weaken after 3-5 years. Hello! According to your information, your antibodies are likely to decrease, so the school recommends you get a booster anesthesia vaccine. That is correct. Hepatitis B is a disease that is not easily resolved. Friends with the disease should maintain a positive mindset and face it with a proactive attitude. Only in this way can they boost their confidence in fighting hepatitis B and believe that they can recover.

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