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. 2021 Mar 2;17(6):1714–1732. doi: 10.1080/21645515.2020.1847582

Figure 2.

Figure 2.

Distribution of publications (N = 69) by (A) Study design, (B) Case identification method, (C) Incidence data stratification.

The total number of studies add up to 77 studies as 8 studies utilized more than one method to detect HZ (see Table 1)

HZ, herpes zoster; ICD, International Classification of Diseases