Infectious Disease Book

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Varicella Zoster Virus Vaccine

Aka: Varicella Zoster Virus Vaccine, Herpes Zoster Virus Immunization, Zostavax, Herpes Zoster Vaccine, Shingles Vaccine, Shingrix
  1. Indications
    1. Prevention of Shingles in age 50 years or older (previously only approved for age 60 and older)
      1. However due to Vaccine shortages, focus use on those over age 60 years
    2. Indicated even in those who had prior Shingles infection
      1. Rash must have resolved to administer
      2. Delay Vaccine for 12 months following Shingles episode based on expert opinion in 2012
    3. Upcoming immunosuppresive therapy (give at least 4 weeks before Vaccine dose)
      1. Chemotherapy
      2. TNF Inhibitors (e.g. Enbrel)
      3. Rituximab
      4. Prednisone >20 mg/day for >14 days
  2. Contraindications: Immunocompromised Conditions
    1. AIDS
    2. Human Immunodeficiency Virus with clinical manifestations or CD4 Count <200
    3. Methotrexate >0.4 mg/kg/week
    4. Recent Systemic Corticosteroid use over 20 mg for at least 2 weeks
      1. Delay Immunization for 1 month after steroid course completed
    5. Low level immunosuppressive conditions or medications are NOT a contraindication to Zostavax
      1. Prednisone <20 mg/day or oral Corticosteroid use <14 days
      2. Methotrexate <0.4 mg/kg/week
      3. Inhaled Corticosteroids
      4. Topical Corticosteroids
  3. Contraindications: Other
    1. Concurrent acute febrile illness (Fever >101.3 F)
    2. History of Anaphylaxis to gelatin or neomycin
    3. Unsure of prior Chicken Pox history
      1. Born in U.S. before 1980 are considered immune and do not need titer before Zostavax
      2. Foreign born
        1. Check titer if no known history of Chicken Pox
        2. Titer positive can recieve Zostavax, and those with negative titer get the Varivax
  4. Cost
    1. Approximate: $194
    2. Injection and drug are now covered under Medicare Part D
  5. Background
    1. Zostavax varicella titer is 14 times higher than Varivax
  6. Preparations
    1. Zostavax
      1. Original Live Vaccine
    2. Shingrix
      1. Anticipated release in 2018
      2. Inactivated Varicella Vaccine that may be more effective in preventing Shingles than Zostavax
  7. Dose
    1. Zostavax 0.65 ml SQ for one dose
  8. Precautions
    1. Live, attenuated Varicella-Zoster VirusVaccine
    2. Virus load injected is 14 times greater than Varivax
    3. Pneumovax and Zostavax may be given on same day according to CDC and despite product label
    4. Household contacts of immunocompromised patients can typically receive Zostavax
      1. If rash develops following Vaccine, cover the rash and avoid contact with immunocompromised patient
  9. Adverse Effects
    1. Local inflammation at injection site (33%)
    2. Chicken Pox or Shingles-type rash is uncommon
  10. Efficacy
    1. Immunity appears to last at least 4 years
    2. Decreases Herpes ZosterIncidence by 50%
      1. Decreases cases by 64% in age 60-70, and 38% in age >70 years
      2. Occurs in 3.3% of unvaccinated patients
      3. Occurs in 1.6% of vaccinated patients
      4. Number Needed to Treat to prevent 1 case: 60
    3. Reduces Postherpetic Neuralgia by 66%
      1. Occurs in 0.4% of unvaccinated patients
      2. Occurs in 0.14% of vaccinated patients
      3. Number Needed to Treat to prevent 1 case: 360
  11. References
    1. (2014) Presc Lett 21(2): 10
    2. DeYoung (2007) Am Fam Physician 75:1843-4 [PubMed]
    3. Hornberger (2006) Ann Intern Med 145:317-25 [PubMed]
    4. Oxman (2005) N Engl J Med 352:2271-84 [PubMed]
    5. Fashner (2011) Am Fam Physician 83(12): 1432-7 [PubMed]

Zostavax (C1720919)

Concepts Immunologic Factor (T129) , Pharmacologic Substance (T121)
MSH D053061
English Zostavax
French Zostavax
German Zostavax
Czech Zostavax
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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