Herpes zoster risk factors
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; L. Katie Morrison, MD; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Risk Factors
Can you get Chickenpox if you've been Vaccinated?
Yes. About 15%–20% of people who have received one dose of chickenpox vaccine do still get chickenpox if they are exposed, but their disease is usually mild. Vaccinated persons who get chickenpox generally have fewer than 50 spots or bumps, which may resemble bug bites more than typical, fluid-filled chickenpox blisters. In 2006, the Advisory Committee on Immunization Practices (ACIP) voted to recommend routine two-dose varicella vaccination for children. In one study, children who received two doses of the chickenpox vaccine were three times less likely to get chickenpox than individuals who have had only one dose.
Can a Healthy Person who gets Varicella Die from the Disease?
Yes. Many of the deaths and complications from chickenpox occur in previously healthy children and adults. From 1990 to 1994, before a vaccine was available, about 50 children and 50 adults died from chickenpox every year; most of these persons were healthy or did not have a medical illness (such as cancer) that placed them at higher risk of getting severe chickenpox. Since 1999, states have been encouraged to report chickenpox deaths to CDC. These reports have shown that some deaths from chickenpox continue to occur in healthy, unvaccinated children and adults. Most of the healthy adults who died from chickenpox contracted the disease from their unvaccinated children.