Pooja Mehra Pooja Mehra Asked 7 months ago

Can you get hepatitis b after vaccination?

My baby recently got their hepatitis B vaccine, and I'm very careful about their health. I was just wondering, is it possible to still contract hepatitis B even after getting the full vaccination course?

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6 answers

Deepika Shah Deepika Shah Joined May 2026 6 months ago
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I got my three doses of the Hepatitis B vaccine years ago because of my job in a lab. After finishing the course, my doctor checked my antibody levels, and they were high enough, so I have felt very secure ever since.

Saraswathi Amma Saraswathi Amma Joined Jan 2026 7 months ago

In most cases, the vaccine gives almost 95% protection if you have taken all the doses properly. Sometimes, older people might have a lower response. It is always wise to ask your family doctor to run an antibody test just to be sure.

Vikram Jeet Vikram Jeet Joined Apr 2026 7 months ago

Don't worry too much. The vaccine is highly effective, but occasionally a few people don't develop enough antibodies. It is a very simple thing to check—just get a quick blood test done to see if your body has built proper protection.

Karan Dev Karan Dev Joined Mar 2026 7 months ago

Yes, while the vaccine is super reliable, there is a tiny percentage of non-responders. Keeping your overall immunity high with a clean, nutrient-rich diet and regular exercise is always beneficial, but definitely get a blood test to check your vaccine response.

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Consult a internal medicine specialist

Sanjay Mehta Sanjay Mehta Joined May 2026 6 months ago

Yes, it is possible if your body didn't respond to the vaccine, which is rare but happens. I had to get a booster shot because my titer levels were low after the initial series. Just ask for a Hep B surface antibody test to confirm your immunity level.

Sunita Shrivastav Sunita Shrivastav Joined May 2026 5 months ago

Look, no vaccine in the world is 100% guarantee, but Hepatitis B vaccine is extremely close. If you have completed all the doses, you are mostly safe. If you are still paranoid, just go to a lab and get your antibody titers checked.

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