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Can chickenpox happen even after vaccination?

Can chickenpox happen even after vaccination?

Some people who have been vaccinated against chickenpox can still get the disease. However, they usually have milder symptoms with fewer or no blisters (or just red spots), a mild or no fever, and are sick for a shorter period of time than people who are not vaccinated.

Can you get chicken pox from chickenpox vaccine?

About 2\% of the children who are vaccinated develop a very mild case of chickenpox, usually with no more than five to six blisters. It is also possible for a person who has been vaccinated for chickenpox to develop chickenpox at some later point in life.

How long does chickenpox immunity last?

Duration of Protection. It is not known how long a vaccinated person is protected against varicella. But, live vaccines in general provide long-lasting immunity. Several studies have shown that people vaccinated against varicella had antibodies for at least 10 to 20 years after vaccination.

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Is chickenpox vaccine mandatory?

All 50 states and the District of Columbia (DC) have state laws that require children entering childcare or public schools to have certain vaccinations. There is no federal law that requires this. other evidence of immunity against chickenpox.

Can you get chicken pox vaccine but not immune?

If a healthcare employee has received a dose of live zoster vaccine in the past but has no other evidence of immunity to varicella, the live zoster dose can be considered the first dose of the 2-dose varicella series.

Why do we vaccinate for chicken pox?

Vaccinating children against chickenpox can reduce their risk of developing shingles as adults. Vaccination is the best way to protect against serious side effects of chickenpox.

Why is chickenpox more severe in adults?

The illness is often more severe in adults compared to children. Most people who have had chickenpox will be immune to the disease for the rest of their lives. However, the virus remains inactive in nerve tissue and may reactivate later in life causing shingles.

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Why does chicken pox only occur once?

Normally you only get chickenpox once because the virus responsible for it elicits a powerful immune reaction that is highly protective against symptomatic reinfection, preventing another bout of chickenpox. Repeat bouts of chickenpox can, however, occur in persons with severe disease of their immune system.

How effective is chickenpox vaccine?

Two doses of the chickenpox vaccine are over 90\% effective at preventing it. Most people who get the vaccine don’t get chickenpox — and those who do usually get a much milder version of the disease. There are 2 vaccines that protect against chickenpox: The chickenpox vaccine protects children and adults from chickenpox.