Vzv sentence example

vzv
  • T-cell immunity is known to be important in maintaining VZV in a latent state.

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  • It has been conclusively proven that another herpes virus-varicella zoster virus (VZV), the cause of both chickenpox and shingles-is the culprit for Ramsey-Hunt syndrome.

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  • Chickenpox vaccine or varicella zoster vaccine (VZV) is an injection that protects children from contracting chickenpox (varicella), one of the most common childhood diseases.

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  • Prior to the introduction of VZV, approximately 4 million Americans contracted chickenpox each year, and 95 percent of children contracted the disease before the age of 18.

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  • By 2002, some 81 percent of American children had been vaccinated with VZV, and the CDC determined that the number of chickenpox cases had declined substantially.

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  • This, in turn, will reduce the incidence of chickenpox among those who cannot receive VZV, including children who are most at risk for serious complications from the disease.

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  • As of 2004 it was unclear whether VZV provided life-long immunity to chickenpox.

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  • The U.S. Food and Drug Administration (FDA) required Merck to follow several thousand children for 15 years, to determine the long-term effects of the vaccine and whether additional booster shots of VZV would be necessary.

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  • It is not known whether the weakened virus used for VZV can remain dormant in the body, eventually causing shingles in the same way that the naturally occurring varicella virus can.

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  • In 1998 the CDC found 2.6 cases of post-vaccination herpes zoster for every 100,000 distributed doses of VZV.

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  • Prior to the introduction of VZV, there were about 100 deaths and 12,000 hospitalizations annually as a result of chickenpox infections.

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  • The CDC estimates that, including direct medical costs and indirect societal costs, $5.40 is saved for every $1.00 spent on childhood VZV immunization.

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  • In addition, infants under one year and pregnant teenagers should not receive VZV.

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  • Females should not become pregnant within one month of receiving VZV.

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  • Moreover, children with weakened immune systems should not receive a live virus vaccine such as VZV.

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  • Children with leukemia in remission or HIV-infected children with normal immune function may be eligible for VZV.

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  • Other reactions, such as a low blood count or brain involvement, including encephalitis, occur so rarely that they may not be associated with VZV.

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  • Following the distribution of the first 10 million doses of VZV, it was determined that severe reactions occurred with a frequency of approximately one in 50,000.

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  • There is no evidence that healthy children who have had chickenpox or who received VZV previously are at a greater for adverse effects from an additional dose of Varivax.

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