How long after getting the hepatitis B vaccine should you get checked for antibodies?

Patient's question:

Patient Age: 1
How old does the baby need to be after getting the hepatitis B vaccine to get checked for antibodies?

Doctor's answer:

Hello, antibodies can be produced one month after receiving the hepatitis B vaccine. The second dose is usually sufficient to provide basic protection against the hepatitis B virus, and the third dose is intended to reinforce the efficacy and extend the duration of antibody protection.
There are many causes of pediatric liver disease. If a child is diagnosed with pediatric liver disease, parents need to cooperate with the doctor in active treatment, follow digestive decompression measures, and develop good hygiene habits. The child should maintain a balanced diet and avoid stimulating and cold foods.

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