HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

If i received the 3 hep b doses, and 2 hep a doses as a child, will i now at 19 y/o get positive hep a and hep b antibody titers?

A doctor has provided 1 answer

See below: At 24yrs, given hep B and hep A vaccines as a child - you should still be immune -It is unclear how long hep A immunity lasts after vaccine - If you are concerned, get your doctor to check

Answered 6/8/2020

70 views

Thank

Related Questions

A member asked:

I only hd 2 dse hep B vacc 4 yrs ago. Now my anti hbs titer is only 30( cut off value is 10). Do i need to get a third dose or just a booster vaccine?

A doctor has provided 1 answer

A member asked:

Is a negative rapid hiv antibody test done after 90 days of last exposure conclusive?if i had possible hep c coinfection should i retest at 6 months?can i test hep c now(120 days of last exposure) to get a conclusive result?

A doctor has provided 1 answer

A member asked:

I am med student, I had hep b vaccine as a child 20 years ago now my AB titer is below 10, do I have to take a booster or start a whole new series ?

A doctor has provided 1 answer

A member asked:

Positive anti-thyroglobulin (94 iu/ml), negative anti-thyroid peroxidase. Results from Pos. ANA 1:160 speckled. 2 months ago ANA negative - not titer evident. would thyroid be causing Pos. ANA now? ANA panel neg. to all other antibodies (ENA)

A doctor has provided 1 answer

A member asked:

I am a medical student I have had my hep b vaccine when I was 4 now my AB titer is 6 should i take a booster dose and if what are its risks. ?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I received the 1st Hep A immunization dose in 2013 and the 2nd in 2019. Did I wait too long to get a 2nd dose? Is the length of time likely to to cause my Hep A antibody titer to be negative/equivocal?
If my titer level to the hep b surface antibody comes back low (less than 5), should I get a booster or repeat the hep b series (3 shots)?
Is it required to get both a hep b surface antigen and hep b surface antibody test for a hep b titer?
My hep b titer antibody came back 66UI/ML am i immune do i need boosters?
How likely would you catch hep b if you are fully immune with good antibody titer it's been 90day is it good time to test exposure saliva kissing only?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.