1. Immunization Update 2007 Varicella Vaccine Segment
Satellite Broadcast/Webcast
August 9, 2007
Varicella Vaccine Segment
Graphics subject to change.
This material in the public domain.

2. Varicella in the United States
Coverage with one dose at highest level ever recorded (88%)
More than 70% decrease in cases, hospitalizations and death compared to prevaccine era

3. Varicella Outbreaks 2001-2005 Occurred in elementary schools
Vaccine effectiveness 72%-85%
Highest attack rates occurred among the younger students
Outbreaks lasted about 2 months
Vaccinated children played a role in transmission although their disease was mild
Overall attack rates among vaccinated children 11%-17%

4. Varicella Vaccine Recommendations
Routine vaccination at 12 to 15 months of age
Routine second dose at 4 to 6 years of age
Two doses recommended for all persons older than 4 to 6 years who do not have evidence of varicella immunity
Second dose recommended for persons of ANY age who have only received one dose
Source: MMWR 2007;56(RR-4)

5. Varicella Vaccine-Minimum Interval Between Doses
3 months
4 weeks
Age
12 months through
12 years of age
13 years of age or
older
Source: MMWR 2007;56(RR-4)

6. Varicella Immunity
Written documentation of age-appropriate vaccination
1 dose for preschool-aged children
2 doses for school-aged children, adolescents and adults
Born in the United States before 1980 EXCEPT healthcare personnel, immunocompromised persons and pregnant women
Source: MMWR 2007;56(RR-4)

7. Varicella Immunity
Laboratory evidence of immunity or laboratory confirmation of varicella disease
Healthcare provider diagnosis or verification of a history of varicella disease
History of herpes zoster (shingles) based on healthcare provider diagnosis
Source: MMWR 2007;56(RR-4)

8. Varicella Vaccination of Healthcare Workers
Recommended for all healthcare personnel without evidence of immunity
Prevaccination serologic screening probably cost-effective
Postvaccination testing not necessary or recommended
Source: MMWR 1997;46(RR-18)

9. Varicella Immunity Among Healthcare Personnel
Laboratory evidence of immunity
History of clinician diagnosed or verified varicella or zoster
Documentation of age-appropriate vaccination
Source: MMWR 2007;56(RR-4)

10. MMRV (ProQuad) Approved for children 12 months through 12 years of age
Should NOT be administered to persons 13 years of age or older
Store frozen at 5°F (-15°C ) or lower at ALL times

11. Website www.cdc.gov/nip
CDC Vaccines and Immunization Contact Information
Hotline (800) CDC-INFO
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