COVID-19 infection may affect the individuals with many underlying conditions including skin diseases. This cross-sectional study was conducted to provide an overview regarding the prevalence of COVID-19 disease in the patients with several skin diseases. Overall, 703 patients with several skin diseases participated in the study and completed our online-designed questionnaire. Among the total participants, only 32(4.6) subjects reported the COVID-19 infection. The prevalence rate was equal to 0.04. In the patients with psoriasis, 14 out of 322 people (4.3) developed the COVID-19. Three out of 159 patients (1.9) with alopecia areata had been affected with the COVID-19 and 4 (5.2) patients with vitiligo had caught the disease. Only one subject (2) with the lichen planus, and 6 (6.8) patients with other skin diseases had developed the COVID-19 but in the patients with GVHD (Graft Versus Host Disease), 4 (80) out of 5 patients had caught the COVID-19 disease. The frequency of COVID-19 infection was low in the studied population however; more studies with larger sample size are needed to determine the exact prevalence of the infection in the patients with skin diseases undergoing the treatment with several systemic medications. (c) 2021 Elsevier Inc. All rights reserved.
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