“…18,19,21,33 Eight studies reported exclusively on HZO cases. 16,17,23,32,35,37,38,41 Of the 27 publications, seven 21,22,24,27,28,31,40 provided proportions of HZ cases among all patients who attended outpatient visits in the considered departments, ranging between 0.28 and 2.36% (Figure 1). For example in the study with the largest sample size conducted in a rural hospital in Gujarat, 938 HZ cases were reported between June 2008 and December 2016 among all dermatology outpatients, yielding a proportion of 0.38%.…”