Varicella-Zoster Virus

At a glanceVaricella-Zoster Virus from the Infection Control in Healthcare Personnel: Epidemiology and Control of Selected Infections Transmitted Among Healthcare Personnel and Patients (2024) guideline.RecommendationsRecommendations For asymptomatic healthcare personnel with evidence of immunity to varicella (https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5604a1.htm#box)1 who have an exposure to varicella (chickenpox) or disseminated or localized herpes zoster (shingles): Postexposure prophylaxis is not necessary. Work restrictions are not necessary. Implement daily monitoring for signs and symptoms of varicella from the 8th day after the first exposure through the 21st day after the last exposure. For asymptomatic healthcare personnel without evidence of immunity to varicella who have an exposure to varicella (chickenpox) or disseminated or localized herpes zoster (shingles): Administer postexposure prophylaxis in accordance with CDC and ACIP recommendations (https://www.cdc.gov/mmwr/pr...