Table 1. Review of the literature: main features of herpes zoster on anti TNF-α therapy.

	Adalimumab[7,13,14]	Etanercept[6,7,11]	Infliximab[5,7,10,12,15-17]
Number of cases of HZ	4	4	11
Age, years (mean [SD])	38-66 (49 [11.97])	43-70 (57 [11.9])	12-83 (47 [21.26])
Females, number (%)	3 (75%)	3 (75%)	6 (54.5%)
Time on anti TNF-α therapy at HZ occurrence, months (mean[SD])	17-36 (23.7 [10.7])	6-60 (28 [25.1])	0.5-96 (20.7 [28.8])