The National Advisory Committee on Immunization (NACI) recommends immunisation with RZV in patients ≥ 50 years of age without contraindications who previously received LZV and who had a prior episode of HZ.
According to the NACI: 'Prior recipients of LZV vaccine will derive additional protection from completion of the two-dose series of RZV given higher and more durable vaccine efficacy across age groups'. The panel adds, 'Individuals with a prior episode of HZ are still at risk of HZ, and a history of HZ is unreliable; therefore, vaccination with RZV in those who report a prior history of HZ will be beneficial'.
RZV is administered as two 0.50 mL intramuscular doses 2-6 months apart. To improve adherence to the second dose, RHZ vaccine may be given on a 0,12 month schedule, with administration at the next annual visit or at the time of the next annual influenza immunisation.
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Cite this: Heidi Moawad. Skill Checkup: A 58-Year-Old Vaccinated Man With a Painful, Itchy Rash on His Face and Trunk - Medscape - May 08, 2023.