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In brief: 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.

In brief: 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.
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Dr. James Ferguson
Pediatrics

In brief: Possibly

Studies show about 85% get lifelong protection with a single dose and > 95% with two doses.
We usually give a dose at 1 yr and another at 5.The initial dose has been shown to eliminate the serious complications occasionally seen with cpx, but may permit a milder case in some kids.

In brief: Possibly

Studies show about 85% get lifelong protection with a single dose and > 95% with two doses.
We usually give a dose at 1 yr and another at 5.The initial dose has been shown to eliminate the serious complications occasionally seen with cpx, but may permit a milder case in some kids.
Thank
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