Herpes Zoster and Exposure to the Varicella Zoster Virus in an Era of Varicella Vaccination
Overview
Authors
Affiliations
Objectives: We performed a case-control study to determine if participants with herpes zoster had fewer contacts with persons with varicella or zoster, and with young children, to explore the hypothesis that exposure to persons with varicella zoster virus (VZV) results in "immune boosting."
Methods: Participants were patients of the multispecialty Marshfield Clinic in Wisconsin. We identified patients aged 40 to 79 years with a new diagnosis of zoster from August 2000 to July 2005. We frequency matched control participants to case participants for age. We confirmed diagnoses by chart review and assessed exposures by interview.
Results: Interviews were completed by 633 of 902 eligible case participants (70.2%) and 655 of 1149 control participants (57.0%). The number of varicella contacts was not associated with zoster; there was no trend even at the highest exposure level (3 or more contacts). Similarly, there was no association with exposure to persons with zoster or to children, or with workplace exposures.
Conclusions: Although exposure to VZV in our study was relatively low, the absence of a relationship with zoster reflects the uncertain influence of varicella circulation on zoster epidemiology.
Incidence Rate of Herpes Zoster Ophthalmicus: A Retrospective Cohort Study from 1994 through 2018.
Kong C, Thompson R, Porco T, Kim E, Acharya N Ophthalmology. 2019; 127(3):324-330.
PMID: 31668889 PMC: 7039739. DOI: 10.1016/j.ophtha.2019.10.001.
Marangi L, Mirinaviciute G, Flem E, Scalia Tomba G, Guzzetta G, Freiesleben De Blasio B PLoS One. 2017; 12(5):e0176845.
PMID: 28545047 PMC: 5436649. DOI: 10.1371/journal.pone.0176845.
Increasing incidence associated with herpes zoster infection in British Columbia, Canada.
Marra F, Chong M, NajafZadeh M BMC Infect Dis. 2016; 16(1):589.
PMID: 27765026 PMC: 5073843. DOI: 10.1186/s12879-016-1898-z.
Increasing Incidence of Herpes Zoster Over a 60-year Period From a Population-based Study.
Kawai K, Yawn B, Wollan P, Harpaz R Clin Infect Dis. 2016; 63(2):221-6.
PMID: 27161774 PMC: 4928389. DOI: 10.1093/cid/ciw296.
Varicella-Zoster Virus in Perth, Western Australia: Seasonality and Reactivation.
Korostil I, Regan D PLoS One. 2016; 11(3):e0151319.
PMID: 26963841 PMC: 4786334. DOI: 10.1371/journal.pone.0151319.