post exposure hepatitis A/B vaccination

gravitas

New member
Feb 7, 2006
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hi there,

Was having a discussion with some colleagues the other day about the efficaciousness of the hep A/B vaccine if some-one's already been infected or exposed to the virus. Is there any medical benefit?

THX
 

Health Nurse

Supporting Member
Nov 24, 2004
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gravitas said:
hi there,

Was having a discussion with some colleagues the other day about the efficaciousness of the hep A/B vaccine if some-one's already been infected or exposed to the virus. Is there any medical benefit?

THX

Hi gravitas

I will do each one individually.

Hepatitis A

After someone is infected with hepatitis A they develop immunity against hepatitis A and this would protect them against getting the infection again. You can either get protection from hepatitis A from getting the vaccine or by having the infection. If someone is uncertain a blood test would show if you are immune or not. To answer your question there would be no need for someone who has been already infected with hepatitis A to get vaccinated for it.

For more information on hepatitis A;

http://www.cdc.gov/ncidod/diseases/hepatitis/a/index.htm



Hepatitis B

After someone is infected with hepatitis B they either develop immunity against hepatitis B or become a carrier. In either case there would be no benefit to getting the vaccine after this has happened.

For more information on hepatitis B;

http://www.cdc.gov/ncidod/diseases/hepatitis/b/index.htm


Exposure:

The above advice has been for people that have been infected with hepatitis A or B. In relation to exposure which means that you have been recently exposed to the virus but have not become infected yet e.g. you came in contact with the virus a few hours ago. It is recommended that you get an immune globulin as well as the vaccine as this will reduce your chance of getting infected. You would need to see you family doctor or emergency department in regard to this as a number of individual factors need to be considered.

Please feel free to comment or ask us to expand on a topic. Remember if you would like to ask me a personal question just send me a PM.

HN
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