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Doctor insights on: Hepatitis B Vaccine And Live Viruses

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What is in the hepatitis b vaccine? How does it work?

What is in the hepatitis b vaccine? How does it work?

Proteins: It works by including one of the viral surface proteins. This causes one's immune system to react and create protective antibodies for the hepatitis b virus. It takes several of the vaccines to get the adequate amount of antibody necessary to protect from disease. Great Question! ...Read more

Dr. Mark Diamond
1,108 Doctors shared insights

Vaccinations (Definition)

Latin word for cow, vacca, because of the smallpox/cowpox work of edward jenner, vaccination is the administration of a substance, live organism or otherwise, that stimulates the immune response to prevent a specific disease. Primarily a preventative procedure, some vaccines can ...Read more


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Does my baby really need the hepatitis b vaccine, living in a typical suburb in the u.S.?

Does my baby really need the hepatitis b vaccine, living in a typical suburb in the u.S.?

Lifetime protection: Years ago they targeted risk groups for the vaccine & it made no dent in the hep b in the country. In hawaii where it sometimes passed mom to baby, they started giving it to all babies & started to see a drop at all ages. Use in infants protects them for a lifetime, no mater what type of lifestyle or exposures they have. I have seen a 9mo with hep b chronic hepatitis/failure & it wasn't pretty. ...Read more

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Is the hepatitis b vaccine effective for life?

Is the hepatitis b vaccine effective for life?

Maybe not: The Hepatitis B Vaccine is 2-3 shots. Some people may have protective antibodies for life, but many people's antibodies decrease as time goes by. Any person at high risk of contact with blood should get his antibody level checked, and get booster shots if his level is low. High risk persons include anyone with a household member who carries hepatitis b, healthcare workers, first responders, etc... ...Read more

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What would happen if a hepatitis B patient got the hepatitis b vaccine?

What would happen if a hepatitis B patient got the hepatitis b vaccine?

Nothing special: The vaccine is a synthetic replica of hep B antigens and is designed to help the body develop Hep B antibodies without experiencing the disease. Since they will already have hep B antibodies from thee prior illness, the vaccine at most could provide a small boost in antibody level. However, this has no effect on any existing hep B problem. ...Read more

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What are the consequences of a healthcare worker who is unresponsive to the hepatitis b vaccine?

What are the consequences of a healthcare worker who is unresponsive to the hepatitis b vaccine?

If the HCW never...: Developed anti-hbs then they are still susceptible. Sometimes giving the vaccine (smaller dose) intradermally can help. ...Read more

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How long does the Hepatitis B vaccine last & if you get the vaccine does that make you 100% immune from getting Hep B?

How long does the Hepatitis B vaccine last & if you get the vaccine does that make you 100% immune from getting Hep B?

Nothing is 100%: The vaccine for Hep B is about 90% effective. It is thought to last as long as 22 years. That being said, it covers all subtypes of Hep B and is worth getting for everyone. Remember, you don't have to have sex with or share needles with an infected person to get Hep B. ...Read more

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Can the hepatitis b vaccine ever expire?

Can the hepatitis b vaccine ever expire?

Confusing question: The material we stock at the office does have an expiration date, otherwise known as a use before date. I sense that is not your question. If you complete the series of Hepatitis B Vaccine it is thought to confer lifelong immunity unless you suffer some form of immune altering illness or treatment in the future. ...Read more

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Is it ok to take the hepatitis b vaccine series twice?

Is it ok to take the hepatitis b vaccine series twice?

Yes: Small percentage of people do not develop adequate response to the hepatitis b vaccine, even after three doses. They can get another series of vaccination especially if affected individuals are at high risk to get infected with hepatitis b. ...Read more

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Does the hepatitis b vaccine ever require booster?

Does the hepatitis b vaccine ever require booster?

Hepatitis b vaccine: No booster doses are routinely recommended at this time. ...Read more

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What year did the hepatitis b vaccine become required for children?

What year did the hepatitis b vaccine become required for children?

Varies: Each state decides the required vaccines for day care/school or public university attendance. Actual state requirements for hep B vaccine varies from 1993 to well into the 2000's. ...Read more

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Will the hepatitis b vaccine raise my child's risk of developing ms?

Will the hepatitis b vaccine raise my child's risk of developing ms?

No: Ms is more common in people who live their childhood years farther away from the equator, which in the northern hemisphere means that a child's risk of MS increases if he moves farther north and lives there before adolescence. Ms occurs in people who do not get the hepatitis b vaccine, as well as in persons who do receive the vaccine, but one does not cause the other. The cause of MS is unknown. ...Read more

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What does it mean when you get the hepatitis b vaccine (all 3 series) but titer still shows no immunity?

What does it mean when you get the hepatitis b vaccine (all 3 series) but titer still shows no immunity?

Nonresponder?: People who do not mount immune response following a primary 3 dose series should have the entire series repeated. Inappropriate dose /admininistration, chronic disease and habits can can cause this. ...Read more

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What is the minimum needle length that is recommended for administering the hepatitis B vaccine to a 130 lb adult?

What is the minimum needle length that is recommended for administering the hepatitis B vaccine to a 130 lb adult?

Needle length: Hepatitis B is given as an intramuscular injection. Minimum needle length recommended for administering the Hepatitis B vaccine to a 130 lb adult is 5/8" to 1". Reference Immunization Action Coalition http://www. Immunize. Org/catg. D/p3085.pdf ...Read more

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Will the hepatitis b vaccine raise my child's risk of sids?

Will the hepatitis b vaccine raise my child's risk of sids?

No: The vaccine haters have flittered like butterflys from one issue to the next. For a time they blamed cerebral palsy on vaccines, then crib death and now autism. The rumor mill wanders back and forth for any issue that is hard to explain. The vaccine has been used extensively in hawaii starting with a newborn dose for 2 decades and no such assooociation has been reported. ...Read more

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Could the hepatitis b vaccine bring out my latent TB symptoms?

Unlikely: It is not a live vaccine but rather an inactivated one. ...Read more

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How long does the hepatitis b vaccine stay in your baby?

How long does the hepatitis b vaccine stay in your baby?

Hep B vaccine: Hepatitis b vaccine is supposed to confer lifelong immunity so your baby should be protected. ...Read more

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How long does the hepatitis b vaccine itself stay inside your body?

How long does the hepatitis b vaccine itself stay inside your body?

Interesting?: The substance injected probably last a few weeks at most. But the response brought about by the vaccine series (all 3 shots) may last forever. I ugh eat checking titters after vaccination in high-risk patients then checking levels again every ten years. Boosters given if needed. ...Read more

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Normally, how long would the hepatitis b vaccine stay in your body?

Good question: When someone gets vaccinated against hepatitis b, we can measure the level of antibodies produced. This gives us a sense of how protected people are. But, other kinds of immune cells (t cells) are also important in preventing chronic infection and we do not measure those. So protection probably lasts longer than ab do, but if you have an exposure, get tested for ab and boosted if levels are low. ...Read more

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Is it thought of as dangerous to take the hepatitis b vaccine twice?

Possibly: Only should take if your immunity is proven to be low by a serum titer.
Patients with multiple sclerosis may develope an exacerbation secondary to the components in the the hepatitis b vaccine. ...Read more

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Can hepatitis b vaccine cause hepatitis b?

Can hepatitis b vaccine cause hepatitis b?

No: The shot contains no living material. It is created in the lab and has no potential for causing disease. ...Read more

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How do I know if I need a hepatitis b vaccine?

How do I know if I need a hepatitis b vaccine?

VIS Statement: There is a vaccine information statement put out by the cdc that lists it's indications. As a pediatrician, I think everyone should get the vaccine. It is universally recommended for everyone under age 19 and for many categories of others including those with more than one sex partner, household contacts of people with hepatitis b, people with chronic renal or liver disease and other categories. ...Read more

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Hepatitis b vaccine is wearing off, what to do?

Get a booster: If you have concerns about waning immunity, you can receive a booster dose. If you had the primary series or part of it, this will help. ...Read more

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What are the symptoms of a reaction to hepatitis b vaccine?

What are the symptoms of a reaction to hepatitis b vaccine?

See below:: The majority of people who receive the Hepatitis B Vaccine (65%) do not experience any reactions to it. About 3% of those immunized will develop pain and tenderness where the shot was given; low-grade fever occurs in about 1% to 6% of vaccine recipients.
Serious reactions are "extremely rare." in far less than 1 out of 10, 000 shots given, or about. 001%, a serious allergic reactions may occur. ...Read more

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Could I give hepatitis b vaccine intravenously?

Why ever?: The purpose of a vaccine is to stimulate the immune system. To do that it is injected into muscle or fatty tissue where it is processed slowly by the active immune system to stimulate antibody formation. Inject it IV and it has minimal and brief contact with the immune system and will be deconstructed by the liver or washed out through the kidneys within hours. ...Read more

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If I missed the third dose of hepatitis b vaccine for 5 months should I repeat it?

If I missed the third dose of hepatitis b vaccine for 5 months should I repeat it?

No repeat: It doesn't matter very much when the third dose is taken. Five months is OK. You do not need to restart the whole series of injections. ...Read more

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Please tell me, could a patient of high sgpt take hepatitis b vaccine?

Why is SGPT high?: How high is the enzyme level. While elevated SGPT by itself is not a contraindication to hep b vaccination, you should consult your doctor for investigation. If you drink alcohol, stop entirely and re test in three months. ...Read more

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What is an employers responsibility in reference to hepatitis b vaccine?

Offer vaccination: Osha requires employers to offer the vaccination to workers who are at higher risk to exposure to blood and/or body secretions such as health care workers and first responders. The vaccine should be without cost to the employee. ...Read more

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I started medical school Should I take hepatitis b vaccine if I took it when I was born?

Depends: If they can check your titers and you have a protective level there is no need. However, it wouldn't hurt you do repeat the series and may boost the antibody levels. ...Read more

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Should I take hepatitis b vaccine before I start my medical school or they give it to us there?

Should I take hepatitis b vaccine before I start my medical school or they give it to us there?

School policy: I don't have a way to know the policy for medical schools in your area. Because there is no cure for Hepatitis B - this will be very important. See: https://www. Cdc. Gov/vaccines/hcp/vis/vis-statements/hep-b.html#who ...Read more

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What will happen if you get hepatitis b vaccine after having a blood transfusing from back sugery years ago?

Nothing specific: If you were exposed to hepatitis through the transfusion, the vaccine would not treat it or hurt you. The vaccine is just a method of teaching your body to develop antibodies to hep b to protect you from future exposures. ...Read more

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I started medical school If I took hepatitis b vaccine when I was born Should I take one dose now or the three doses?

I started medical school If I took hepatitis b vaccine when I was born Should I take one dose now or the three doses?

Several options: You could have antibody titers run to see if you need it at all. If their level was marginal, a single booster may bring your levels up. It wouldn't hurt to do the whole series. ...Read more

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Is hepatitis b vaccine available for babies in a californian hospital?

Is hepatitis b vaccine available for babies in a californian hospital?

Hep B vaccine: Absolutely available in virtually every hospital in the usa. ...Read more

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Can a hepatitis b vaccine war off?

Depends: If you do not complete the 3 dose series the effectiveness may wain over time. Since it has only been available since 1986, it may take some time to see if it has a lifelong benefit. ...Read more

Dr. Mark Diamond
1,091 Doctors shared insights

Immunization (Definition)

The body is artificially exposed to a dead or weakened organism of a type able to cause disease. The body fights the organism and learns to protect itself, so disease will not develop if exposed to ...Read more


Dr. Deborah Lim
91 Doctors shared insights

Hepatitis B Vaccine (Definition)

The hepatitis B vaccine protects against hepatitis B, a serious viral disease that damages the liver. This vaccine is one of the recommended childhood immunizations, but many adults also ...Read more