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Leeyaphan C, Jirawattanadon P, Bunyaratavej S, Panjapakkul W, Hutachoke T, Nanchaipruek Y, Phumariyapong P. Herpes Zoster after COVID-19 Infection or Vaccination: A Prospective Cohort Study in a Tertiary Dermatology Clinic. Dermatol Res Pract 2023; 2023:2206498. [PMID: 38188702 PMCID: PMC10771922 DOI: 10.1155/2023/2206498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/24/2023] [Accepted: 11/25/2023] [Indexed: 01/09/2024] Open
Abstract
Background Herpes zoster (HZ) has been observed to occur after COVID-19 infection and vaccination; however, knowledge regarding the demographic data, clinical presentations, and treatment outcomes of HZ is limited. Objective To compare the demographic data, clinical manifestations, treatments, and outcomes of patients with and without HZ within 14 days of COVID-19 infection or vaccination. Methods This prospective cohort study involving patients diagnosed with cutaneous HZ was conducted at a dermatology clinic from October 2021 to January 2023. Results Among a total of 232 patients with HZ, the median age was 62.0 years and 59.1% were female. HZ developed in 23 (9.9%) and four (1.7%) patients after COVID-19 vaccination and infection, respectively. The mean duration from vaccination and the median duration from infection to HZ onset were 5.7 and 8.5 days, respectively. The proportion of female patients was significantly higher in the group of patients with COVID-19 vaccination or infection than in those without such a history (P = 0.035). Patients who developed HZ following the recent COVID-19 infection had a median age of 42.5 years, which was lower than that of the other groups. Dissemination occurred in 8.7% of the patients after COVID-19 vaccination. HZ recurrence was reported in five cases, of which 80% had been vaccinated or infected with COVID-19 during the previous 21 days. All patients had similar durations of antiviral treatment, crust-off time, and duration of neuralgia. Conclusions HZ after COVID-19 vaccination is more frequently observed in females, while HZ after COVID-19 infection tends to occur in younger patients. Disseminated HZ is more common in patients recently vaccinated against COVID-19. COVID-19 vaccination or infection may trigger recurrent HZ infection.
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Affiliation(s)
- Charussri Leeyaphan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Pattriya Jirawattanadon
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sumanas Bunyaratavej
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Waratchaya Panjapakkul
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thrit Hutachoke
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Yanisorn Nanchaipruek
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Phumithep Phumariyapong
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Lin CS, Chang CH. Disseminated Herpes Zoster Following Protein Subunit and mRNA COVID-19 Vaccination in Immunocompetent Patients: Report of Two Cases and Literature Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1542. [PMID: 37763662 PMCID: PMC10532883 DOI: 10.3390/medicina59091542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/15/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023]
Abstract
Disseminated herpes zoster (DHZ), resulting from the reactivation of the varicella-zoster virus (VZV), typically occurs in immunocompromised persons. To date, only four cases of DHZ following mRNA, viral vector, or inactivated COVID-19 vaccinations have been reported in immunocompetent patients. Herein, we present the first case of DHZ following the protein subunit COVID-19 vaccination (case 1, 64 years old) and a case of DHZ following mRNA COVID-19 vaccination (case 2, 67 years old) in elderly, immunocompetent male patients. Both cases were generally healthy, without a remarkable underlying disease and without a history of immunosuppressant use. Case 1 developed DHZ (left C3-5 predominant) 1 month after receiving the third dose of the SARS-CoV-2 spike protein vaccine (MVC-COV1901). Case 2 developed DHZ (right V1-3 predominant) 7 days after receiving the second dose of the mRNA-1273 SARS-CoV-2 vaccine. Through skin examination, Tzanck smears, and dermoscopy, the diagnosis of COVID-19 vaccination-related DHZ was established in both cases. Oral famciclovir (250 mg, three times/day for 7 days) was administered, and both cases achieved total remission of skin lesions without visceral involvement or severe post-herpetic neuralgia. Our cases demonstrate that DHZ, as a rare cutaneous adverse event in immunocompetent patients, can be secondary not only to mRNA COVID-19 vaccination but also to the protein subunit COVID-19 vaccination. It is speculated that the spike protein of SARS-CoV-2 could be the common trigger for the reactivation of VZV among different types of vaccinations.
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Affiliation(s)
- Chia-Shuen Lin
- Department of Dermatology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97002, Taiwan;
| | - Chung-Hsing Chang
- Department of Dermatology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97002, Taiwan;
- Doctoral Degree Program in Translational Medicine, Tzu Chi University and Academia Sinica, College of Medicine, Tzu Chi University, Hualien 97004, Taiwan
- Institute of Medical Sciences, College of Medicine, Tzu Chi University, Hualien 97004, Taiwan
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Shafiee A, Amini MJ, Arabzadeh Bahri R, Jafarabady K, Salehi SA, Hajishah H, Mozhgani SH. Herpesviruses reactivation following COVID-19 vaccination: a systematic review and meta-analysis. Eur J Med Res 2023; 28:278. [PMID: 37559096 PMCID: PMC10413536 DOI: 10.1186/s40001-023-01238-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 07/19/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND The reactivation of herpesviruses (HHV) in COVID-19 patients is evident in the literature. Several reports have been published regarding the reactivation of these viruses (HSV, VZV, EBV, and CMV) among those who got COVID-19 vaccines. In this study, we aimed to review the current evidence to assess whether HHVs reactivation has any association with the prior administration of COVID-19 vaccines. METHODS A systematic search was conducted on 25 September 2022 in PubMed/MEDLINE, Web of Science, and EMBASE. We included all observational studies, case reports, and case series which reported the reactivation of human herpesviruses following administration of COVID-19 vaccines. RESULTS Our systematic search showed 80 articles that meet the eligibility criteria. Among the evaluated COVID-19 vaccines, most of the vaccines were mRNA based. Evidence from observational studies showed the possible relation between COVID-19 vaccine administration and VZV and HSV reactivation. The results of our proportion meta-analysis showed that the rate of VZV reactivation among those who received the COVID-19 vaccine was 14 persons per 1000 vaccinations (95% CI 2.97-32.80). Moreover, our meta-analysis for HSV reactivation showed the rate of 16 persons per 1000 vaccinations (95% CI 1.06-46.4). Furthermore, the evidence from case reports/series showed 149 cases of HHV reactivation. There were several vaccines that caused reactivation including BNT162b2 mRNA or Pfizer-BioNTech (n = 76), Oxford-AstraZeneca (n = 22), mRNA-1273 or Moderna (n = 17), Sinovac (n = 4), BBIBP-CorV or Sinopharm (n = 3), Covaxin (n = 3), Covishield (n = 3), and Johnson and Johnson (n = 1). Reactivated HHVs included varicella-zoster virus (VZV) (n = 114), cytomegalovirus (CMV) (n = 15), herpes simplex virus (HSV) (n = 14), Epstein-Barr virus (EBV) (n = 6), and HHV-6 (n = 2). Most cases reported their disease after the first dose of the vaccine. Many patients reported having comorbidities, of which hypertension, diabetes mellitus, dyslipidemia, chicken pox, and atrial fibrillation were common. CONCLUSION In conclusion, our study showed the possible association between COVID-19 vaccination and herpesvirus reactivation. The evidence for VZV and HSV was supported by observational studies. However, regarding other herpesviruses (EBV and CMV), further research especially from observational studies and clinical trials is required to elucidate the interaction between COVID-19 vaccination and their reactivation.
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Affiliation(s)
- Arman Shafiee
- Clinical Research Development Unit, Alborz University of Medical Sciences, Karaj, Iran
- Student Research Committee, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Mohammad Javad Amini
- Student Research Committee, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | | | - Kyana Jafarabady
- Student Research Committee, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Seyyed Amirhossein Salehi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Hajishah
- Student Research Committee, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Sayed-Hamidreza Mozhgani
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
- Non-Communicable Diseases Research Center, Alborz University of Medical, Sciences, Karaj, Iran
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A Systematic Review of Histopathologic Surveys on Mucocutaneous Biopsies in Patients Developed COVID-19 Vaccine-Related Dermatologic Manifestations. Am J Dermatopathol 2023; 45:1-27. [PMID: 36484603 DOI: 10.1097/dad.0000000000002320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
ABSTRACT Coronavirus 2 is an infectious agent primarily identified as the cause of a pandemic viral pneumonia. With the mass vaccination against this virus, one of the health issues is the safety of currently available vaccines considering their adverse reactions. This systematic review was conducted to assess and summarize all reported data on histopathologic findings associated with mucocutaneous reactions that developed after COVID-19 vaccination for a better pathophysiology interpretation and clinical management of these reactions. A systematic search was performed in PubMed, Web of Science, and Scopus databases as well as Google Scholar engine for relevant English articles published till July 1, 2022. This review includes 131 studies with a total number of 287 cases. Eruptions that underwent a biopsy were mostly described as erythematous maculopapular, papulosquamous, vasculitis-like, lichenoid, or urticarial lesions. Histopathology revealed spongiosis, interstitial, and perivascular lymphohistiocytic infiltration, erythrocyte extravasation, parakeratosis, endothelial inflammation, and the like. Findings were highly consistent with morbilliform erythema, psoriasiform dermatosis, leukocytoclastic vasculitis, and lichenoid or urticarial drug reactions. The majority of these reactions had a mild nature and were primarily observed in patients with underlying health conditions. Microscopic evaluation was also consistent with transient inflammatory changes, and features like neutrophilic infiltrates, subcorneal pustules, and vasculopathy were less frequently reported than what seen in COVID infection. Therefore, dermatologic reactions developing after vaccination in the general population should not hinder a complete vaccination.
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Martinez-Reviejo R, Tejada S, Adebanjo GAR, Chello C, Machado MC, Parisella FR, Campins M, Tammaro A, Rello J. Varicella-Zoster virus reactivation following severe acute respiratory syndrome coronavirus 2 vaccination or infection: New insights. Eur J Intern Med 2022; 104:73-79. [PMID: 35931613 PMCID: PMC9340059 DOI: 10.1016/j.ejim.2022.07.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 07/18/2022] [Accepted: 07/29/2022] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Varicella zoster virus (VZV) reactivation has been reported following vaccination for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), but the real extent remains unknown. METHODS We conducted a systematic review to summarize evidence of VZV reactivation or infection following SARS-CoV-2 vaccination. Episodes after coronavirus disease-2019 (COVID-19) were also identified. Related articles were identified in PubMed and EMBASE databases till December 31, 2021 using the terms "varicella zoster" and "COVID-19″. PROSPERO Register Number: CRD42021289399. RESULTS The search revealed 314 articles, of which 55 met the inclusion criteria. VZV manifestations were documented in 179 (82.1%) subjects following SARS-CoV-2 vaccination and in 39 (17.9%) patients with COVID-19. Among the vaccinated, median (IQR) age was 56.5 (42-70) years, and 56.8% were female. Twenty-one (16.8%) were immunosuppressed. The median (IQR) latency time after vaccination was 6 (3-10) days, and 84.4% received mRNA vaccines. VZV reactivation occurred following a first dose (68.2%), a second dose (12.8%) or a booster (0.6%). The most important VZV manifestation was dermatome herpes zoster rash, which accounted for 86.4% of events in vaccinated subjects. Twenty patients (11.3%) presented serious VZV events after vaccination, with Herpes Zoster ophthalmicus (5.6%) and post-herpetic neuralgia (3.4%) predominating. No VZV pneumonia or deaths were recorded. Antiviral prescriptions were made in 96.2% of vaccinated subjects. No significant differences between vaccinated and infected subjects were found. CONCLUSION This study indicates that the occurrence of VZV reactivation is clinically relevant. However, our findings suggest that COVID-19 vaccination is safe, and remains strongly recommended.
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Affiliation(s)
- Raquel Martinez-Reviejo
- Centro de Investigación Biomédica En Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain; Clinical Research/Epidemiology in Pneumonia & Sepsis (CRIPS), Vall d'Hebron Institute of Research (VHIR), Barcelona, Spain
| | - Sofia Tejada
- Centro de Investigación Biomédica En Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain; Clinical Research/Epidemiology in Pneumonia & Sepsis (CRIPS), Vall d'Hebron Institute of Research (VHIR), Barcelona, Spain
| | | | - Camilla Chello
- NESMOS Department of Dermatology, Sapienza University of Rome, Rome, Italy
| | | | | | - Magda Campins
- Department of Epidemiology, Vall d'Hebron Hospital, Barcelona, Spain
| | - Antonella Tammaro
- NESMOS Department of Dermatology, Sapienza University of Rome, Rome, Italy
| | - Jordi Rello
- Centro de Investigación Biomédica En Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain; Clinical Research/Epidemiology in Pneumonia & Sepsis (CRIPS), Vall d'Hebron Institute of Research (VHIR), Barcelona, Spain; Department of Medicine, Universitat Internacional de Catalunya, Barcelona, Spain; Clinical Research, Department of Anesthesia, CHRU Nîmes, Nîmes, France.
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Yamamoto M, Kase M, Sano H, Kamijima R, Sano S. Persistent varicella zoster virus infection following
mRNA COVID
‐19 vaccination was associated with the presence of encoded spike protein in the lesion. JOURNAL OF CUTANEOUS IMMUNOLOGY AND ALLERGY 2022. [PMCID: PMC9537775 DOI: 10.1002/cia2.12278] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Mayuko Yamamoto
- Department of Dermatology, Kochi Medical School Kochi University Nankoku Japan
| | - Misaki Kase
- Department of Dermatology, Kochi Medical School Kochi University Nankoku Japan
| | - Hozumi Sano
- Department of Dermatology, Kochi Medical School Kochi University Nankoku Japan
| | - Reiko Kamijima
- Department of Dermatology, Kochi Medical School Kochi University Nankoku Japan
| | - Shigetoshi Sano
- Department of Dermatology, Kochi Medical School Kochi University Nankoku Japan
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7
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Multiple drugs. REACTIONS WEEKLY 2022. [PMCID: PMC9136743 DOI: 10.1007/s40278-022-16087-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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8
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Nishimoto M, Sogabe N, Hino M. Visceral disseminated varicella zoster virus infection following COVID-19 vaccination in an allogeneic stem cell transplant recipient. Transpl Infect Dis 2022; 24:e13810. [PMID: 35213772 PMCID: PMC9115351 DOI: 10.1111/tid.13810] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 01/24/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Mitsutaka Nishimoto
- Hematology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Nobuhiro Sogabe
- Hematology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Masayuki Hino
- Hematology, Graduate School of Medicine, Osaka City University, Osaka, Japan
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9
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Gringeri M, Battini V, Cammarata G, Mosini G, Guarnieri G, Leoni C, Pozzi M, Radice S, Clementi E, Carnovale C. Herpes zoster and simplex reactivation following COVID-19 vaccination: new insights from a vaccine adverse event reporting system (VAERS) database analysis. Expert Rev Vaccines 2022; 21:675-684. [PMID: 35191364 DOI: 10.1080/14760584.2022.2044799] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND A few cases of Herpes Zoster and Simplex reactivation following COVID-19 immunization have been recently described, but the real extent of this suspected adverse event has not been elucidated yet. METHODS We performed a nested case/control study by using the U.S. Vaccine Adverse Event Reporting System database. We carried out a case-level clinical review of all Herpes reactivation cases following the administration of COVID-19 vaccines. For cases and controls, significance was set at P = 0.05, differential risk of reporting was assessed for each vaccine as reporting odds ratio and incidence was estimated based on the total number of vaccine doses administered. RESULTS Of 6,195 cases included in the analysis (5,934 and 273 reporting Herpes Zoster and Herpes Simplex, respectively) over 90% were non-serious. We found a slightly higher risk of reporting both for Zoster (ROR = 1.49) and Simplex (ROR = 1.51) infections following the Pfizer-BioNTech vaccine. The estimated incidence was approximately 0.7/100,000 and 0.03/100,000 for Zoster and Simplex, respectively. CONCLUSIONS The paucity of cases (almost all of non-serious nature) makes the potential occurrence of this adverse effect negligible from clinical standpoints, thus supporting the good safety profile of the COVID-19 vaccination, which remains strongly recommended.
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Affiliation(s)
- Michele Gringeri
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Vera Battini
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Gianluca Cammarata
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Giulia Mosini
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Greta Guarnieri
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Chiara Leoni
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Marco Pozzi
- Scientific Institute, IRCCS E. Medea, Bosisio Parini, LC, Italy
| | - Sonia Radice
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
| | - Emilio Clementi
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy.,Scientific Institute, IRCCS E. Medea, Bosisio Parini, LC, Italy
| | - Carla Carnovale
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital, University of Milan, Milano, Italy
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Avallone G, Quaglino P, Cavallo F, Roccuzzo G, Ribero S, Zalaudek I, Conforti C. SARS-CoV-2 vaccine-related cutaneous manifestations: a systematic review. Int J Dermatol 2022; 61:1187-1204. [PMID: 35141881 PMCID: PMC9111829 DOI: 10.1111/ijd.16063] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 12/10/2021] [Accepted: 12/30/2021] [Indexed: 12/14/2022]
Abstract
To date, over 250 million people have been reportedly infected by COVID‐19 disease, which has spread across the globe and led to approximately 5.1 million fatalities. To prevent both COVID‐19 and viral transmission, DNA‐based/RNA‐based vaccines, non‐replicating viral vector vaccines, and inactivated vaccines have been recently developed. However, a precise clinical and histological characterization of SARS‐CoV‐2 vaccine‐related dermatological manifestations is still lacking. A systematic review of 229 articles was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) guidelines, in order to provide an extensive overview of SARS‐CoV‐2 vaccine‐related skin manifestations. Data on demographics, number of reported cases with cutaneous involvement, vaccine, and rash type (morphology) were extracted from articles and summarized. A total of 5941 SARS‐CoV‐2 vaccine‐related dermatological manifestations were gathered. Local injection‐site reactions were the most frequently observed, followed by rash/unspecified cutaneous eruption, urticarial rashes, angioedema, herpes zoster, morbilliform/maculopapular/erythematous macular eruption, pityriasis rosea and pityriasis rosea‐like eruptions, and other less common dermatological manifestations. Flares of pre‐existing dermatological conditions were also reported. Cutaneous adverse reactions following SARS‐CoV‐2 vaccine administration seem to be heterogeneous, rather infrequent, and not life‐threatening. Vaccinated patients should be monitored for skin manifestations, and dermatological evaluation should be offered, when needed.
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Affiliation(s)
- Gianluca Avallone
- Dermatology Clinic, Department of Medical Sciences University of Turin, Turin, Italy
| | - Pietro Quaglino
- Dermatology Clinic, Department of Medical Sciences University of Turin, Turin, Italy
| | - Francesco Cavallo
- Dermatology Clinic, Department of Medical Sciences University of Turin, Turin, Italy
| | - Gabriele Roccuzzo
- Dermatology Clinic, Department of Medical Sciences University of Turin, Turin, Italy
| | - Simone Ribero
- Dermatology Clinic, Department of Medical Sciences University of Turin, Turin, Italy
| | - Iris Zalaudek
- Dermatology Clinic, Maggiore Hospital of Trieste, Trieste, Italy
| | - Claudio Conforti
- Dermatology Clinic, Maggiore Hospital of Trieste, Trieste, Italy
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