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How Long Does Immunity Last After Receiving Rabies Vaccination?

Posted on Fri, 20 Jan 2017

Question: Hello,
I have taken rabies vaccine Last year August 2015. Vaccine Name was VaxiRab.
On 3 December 2016 means few days Back A Dog again bitten me. I took Vaccine name AbhayRab on the 0day(3 December) and second Vaccine on 3rd day(6 december) Vaccine name AbhayRab.

1). How Many vaccines are needed now?
Have I taken suffient Doses because I have Already taken 5 Doses of VaxiRab last year in month of August.Its more than a Year...

2). I took VaxiRab vaccine last year but this year I took AbhayRab vaccine. will it make any difference?Will AbhayRab work as a Booster dose coz i priviously vaccinated by VaxiRab but this time AbhayRab... Both vaccine are different(PCECV and PVRB)

3). How many Booster doses are needed after 16 months of priviously vaccinated person? pls Guide me as soon as possible....

Answered by Dr. Vaddadi Suresh (9 hours later)

Brief Answer:
you have taken sufficient doses

Detailed Answer:
Hi, welcome to HCM.
I would follow the order of your questions to keep it simple.

1. you have taken sufficient doses of vaccines for your second bite. 0 and 3 are good. Also, you had taken past (last year) vaccination schedule right.
2. Now, this is a good question. Previously you took VAXIRAB (PCECV) and now you have taken ABHAYRAB (vero). Let me assure you that as both are cultured vaccines, it does not matter, both work in the same line and induce similar antibodies for defense.
3.2 booster doses as per recommendations. you already had them. so be cool.
I HOPE THIS CLARIFIES ALL YOUR DOUBTS.
If you have anything else to ask, please post. ALL THE BEST AND THANK YOU.

Above answer was peer-reviewed by : Dr. Remy Koshy

Follow up: Dr. Vaddadi Suresh (32 minutes later)

Doc,
Thank you for the Nice detailed Reply. It clear My Doubts.

I have one Question,
I took VaxiRab before 16 months ago. Its more than a year. So My Query is even after 1 year or two year or more than that if a Dog Bite only two booster doses will be required? or there is a time frame like after X year more than two booster doses are required??

Just for safety purpose Im taking 3rd vaccine on 7th day. Now AbhayRab is not available in my current location can I take VaxiRab(I took this vaccine 16 months before)??

is 10 days Observation sufficient for a Dog??

Answered by Dr. Vaddadi Suresh (5 hours later)

Brief Answer:
Yes you can take VAXIRAB .

Detailed Answer:
Hi,
I'm really surprised at the depth of your questioing. Regarding the duration of protection - the answer is "could be any duration". Some will have many years of protection while some have few, it depends on the way your humoral immune response reacts and how long your memory cells retain the archives. IN GENERAL, IT IS SAID THAT IMMUNITY CAN LAST FOR MORE THAT 5 YEARS.
As per guidelines, no need to take 3rd dose as your antibody levels will not rise beyond a point.
Yes you can take VAXIRAB .
Yes, 10 day observation is sufficient, but keep a watch for 2 weeks if possible

Above answer was peer-reviewed by : Dr. Veerisetty Shyamkumar

Follow up: Dr. Vaddadi Suresh (23 hours later)

Thank you once again Doctor for clearing Doubts.

Im asking you all this Because Im currently in a town and even Doctors from here don know much about rabies. like one Doc said me that if a dog bite pre-vaccinated person than person need to b take full 3 doses(if dog alive) to 5 doses(if dog died) again if 6 months have been passed. lots of mis information here. Thats why I came here online to clear doubts.

This is my last Query...

Doc Im attaching 4 images 2 images of my right Arm and 2 images of my left arm where I took one vaccine in each Arm total two vaccine as u recommed to me.

Pls look into all images and tell me that,

1). Have I took vaccine on right Place on my Deltoid in both Arms??
2). is Rabies vaccine is effective if taken anywhere in deltoid muscle or perticular region of deltoid muscle?? because link
https://www.youtube.com/watch?v=6DvdBNAozxs
explaing perticular region for vaccination.....
Have I took vaccine on right place??

pls look the images Im attaching..
Thanks in advance...

Answered by Dr. Vaddadi Suresh (18 minutes later)

Brief Answer:
right places

Detailed Answer:
Hi,
You have been given the vaccine at right places in both the arms. There is no rule that it should be given only at periarticular region. The effectiveness hardly alters with the region of injection as long as it is given on deltoid. Only thing that we should make sure is to avoid nerve injury by keeping a little up .
HOPE THIS HELPS.

Above answer was peer-reviewed by : Dr. Vaishalee Punj

Follow up: Dr. Vaddadi Suresh (6 hours later)

Thank you Doctor.
I had a Doubt that i had taken vaccine on right Place( Deltoid shown in the image) or not. But You Cleared It...

Means I had taken Rabies vaccination on right place on deltoid according to you...
Thank you very much..
Gud Night...

Answered by Dr. Vaddadi Suresh (1 hour later)

Brief Answer:
Thank you.

Detailed Answer:
pls dont forget to rate the conversation as it gives us good feed back on how we should improvise. Thank you

Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..

Above answer was peer-reviewed by : Dr. Veerisetty Shyamkumar