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Doctor insights on: How Long Does A Chicken Pox Vaccine Last

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How long does the chicken pox vaccine last? My son is 2 and got it last year, just wondering if he can still get them? I had them at 5

About 4 years: Then a booster shot at age 4 will give lifelong protection. The shot only takes away about 80% of the chance of getting the disease, however, but it takes away all chance of dying from the disease - disease after the shot is quite mild. ...Read more

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Dr. James Ferguson
689 doctors shared insights

Chickenpox (Definition)

Chickenpox is an illness caused by a virus known as varicella zoster. The first time someone is infected with this virus, usually in childhood, he or she will develop an itchy rash consisting of vesicles or fluid filled, reddened blisters. Chickenpox is highly contagious and spread via infected individuals. We now have an effective ...Read more


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How long does the chicken pox vaccine lasts?

How long does the chicken pox vaccine lasts?

Hard to say: Since it has only been in wide use in the us since the mid 90's, we don't have enough long term data available to be sure.Most research suggests that completion of the two dose series will produce lifeling immmunity in >95% of recipients. ...Read more

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Dr. Marsha Davis
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How long does chicken pox vaccine last?

How long does chicken pox vaccine last?

Unclear: Initially thought o be lifetime, than appeared to wane so recommendation for 2nd shot, unknown how long immunity really lasts. ...Read more

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I received 5 vaccinations yesterday and now I feel terrible. How long would the side effects last. I got the polio meningococo chicken pox etc.....?

I received  5 vaccinations yesterday and now I feel terrible. How long would the side effects last. I got the polio meningococo chicken pox etc.....?

Initial Rxn 48h: The pain & discomfort of any big series generally clears in 48hrs. With the MMR young adults sometimes have some mild joint stiffness or pain that can last a week or so but may not show up for 1-2 wks. ...Read more

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Dr. Marsha Davis
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I'm 42 had a chicken pox vaccine last week. Injection site was red and swollen now have like a blister on my chest. Is that normal?

I'm 42 had a chicken pox vaccine last week. Injection site was red and swollen now have like a blister on my chest. Is that normal?

Chickenpox: Vaccine as with any other vaccines can cause redness and slight swelling at the site of shot. The first vaccine will give you 95% protection and close to 100% the second time around. Some people will come down with mild chickenpox after the shot. If not sure, please consult with your physician. ...Read more

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How long has the chicken pox vaccine actually been tested?

How long has the chicken pox vaccine actually been tested?

More than 30 years: The CP vaccine we use today was developed in japan in the late 70's & reviewed by our fda for ~ 16 years before they decided the cost of general use offset the cost of deaths/hospital care & work loss in the us. It had been available for limited use thru the cdc for cancer patients during its review.It was approved in 1995 & adoped by may states thereafter. ...Read more

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Please explain how long does the chicken pox vaccine work for?

Lifetime: It should be life long. It produces immunity about 75% of the time after 1 shot and close to 100% after 2 shots. There are no recommendations for boosters unless blood testing shows that you are not immune, after receiving the 2 shots. ...Read more

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I have chicken pox &i have had a vaccine and it's a very mild case, how long should I stay out of school?

I have chicken pox &i have had a vaccine and it's a very mild case, how long should I stay out of school?

Until no new sores.: Chicken pox, which you can still get mildly even if you've been vaccinated, is contagious until all the sores are crusted over and there are no new ones. If you see any new sores at all, it's still contagious and other people are at risk. ...Read more

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How can you tell if you have a partial chicken pox rash (had the vaccine long ago)?

Mild case: Small percentage of individuals who had received chicken pox vaccine experiences mild form of disease with much fewer bumps. Currently, 2 doses of chicken pox vaccine are recommended, typically at 12 months and at 4 years of age. ...Read more

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How long is it supposed to it take after getting varicella vaccine to become immune to chicken pox?

4-6 weeks: Hard to be precise because the answer is based on when it was measured and no one checked day after day. At 4-6 weeks, immune response was strong. The exact % response varies by age. A second later dose raises overall response rates a small but significant degree. Two doses seem to keep kids protected for many many years; adults not as exact. http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5604a1.htm. ...Read more

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Dr. Mark Diamond
1,004 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


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 the virulent, ...Read more


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Dr. Marsha Davis
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