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How Long Will Hepatitis B Vaccine Be Effective?

Posted on Mon, 24 Oct 2016

Question: If someone had hepatitis b injection while they were a younger will they get the disease when they have inter course with someone

Answered by Dr. Vivek Chail (24 minutes later)

Brief Answer:
Unlikely to get hepatitis b if vaccinated before, recommended a booster

Detailed Answer:
Hi,
Thanks for writing in to us.

The hepatitis B vaccine is very effective and give protection to those who take the injection.

It generates antibodies and prevents attack by the hepatitis B virus.

It is recommended that a booster vaccine is taken every 5 years to maintain adequate antibody level for protection.

It is unlikely to get hepatitis b infection if you have taken a hepatits B vaccine before. However, for better protection from hepatitis B during sexual intercourse with a person of unknown hepatitis B infectivity status, it is suggested that you get a booster vaccine after discussing with your doctor.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (15 minutes later)

Thanks u for replying sir
The person had injection like not long a ago and she had inter course with someone who has hepatitis b, will that be effective

Answered by Dr. Vivek Chail (4 minutes later)

Brief Answer:
If she took hepatitis B vaccine within 5 years then she is surely protected

Detailed Answer:
Hi,
Thanks for writing back with an update.

If the person had a hepatitis B vaccine within 5 years then it will surely be effective and protect her even if she had sexual intercourse with a hepatitis B infected person.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (13 minutes later)

What if the person take the vaccine earlier will that be alright?

Answered by Dr. Vivek Chail (17 minutes later)

Brief Answer:
Taking a vaccine earlier will also work

Detailed Answer:
Hi,
Thanks for writing back with an update.

Taking a hepatitis vaccine earlier also works in most people because there are circulating antibodies which give protection from the hepatitis b virus. Taking a booster injection every 5 years will enhance protection and generate higher amount of antibodies.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (41 minutes later)

What if the person who has hepatitis b and he vaccine 3 months ago. Will he transmitted to his partner?

Answered by Dr. Vivek Chail (7 minutes later)

Brief Answer:
If vaccine was taken 3 months earlier then transmission is unlikely

Detailed Answer:
Hi,
Thanks for writing back with an update.

If a person has taken hepatitis b vaccine 3 months back then it is unlikely that hepatitis b will be transmitted to her.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (23 minutes later)

So if I have hepatitis b and I vaccine 3 months ago or earlier than that like 4 months, my partner will not be effected with the disease

Answered by Dr. Vivek Chail (18 minutes later)

Brief Answer:
Vaccination does not give protection to already infected person

Detailed Answer:
Hi,
Thanks for writing back with an update.

I am sorry we have some confusion out there.

A vaccine will not help any person who is infected with hepatitis B nor will it cause any harm.

I thought that the vaccine was for the non infected person.

In case of a person who is infected, he can transmit infection even if he has taken vaccination 3 months earlier.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (7 minutes later)

I got a question
What if the non- diagnosed one had vaccine when she/he was in primary school like 5 years but no to sure when exactly they had it and they had inter course with the diagnosed one

Answered by Dr. Vivek Chail (14 minutes later)

Brief Answer:
Most likely she will be protected and transmission will not take place

Detailed Answer:
Hi,
Thanks for writing back with an update.

In that case she will most likely be protected and transmission will not take place.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (27 minutes later)

What if the person had vaccine over 5 to 6 years ago

Answered by Dr. Vivek Chail (21 minutes later)

Brief Answer:
Many vaccines work even till 10 years, recommended hep b antibody titer

Detailed Answer:
Hi,
Thanks for writing back with an update.

Even if taken 5 to 6 years back, some protection will be there till 10 years. In such a case I would suggest her to get a hepatitis b antibody titer done to know the antibody level she has.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Vivek Chail (3 minutes later)

Thank u so much sir

Answered by Dr. Vivek Chail (29 minutes later)

Brief Answer:
Welcome and wish you good health

Detailed Answer:
Welcome and wish you good health

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar