Medium-vessel Vasculitis Presenting with Myalgia Following COVID-19 Moderna Vaccination |
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Authors: | Shin-ichiro Ohmura Yusuke Ohkubo Ryuhei Ishihara Yoshiro Otsuki Toshiaki Miyamoto |
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Affiliation: | 1.Department of Rheumatology, Seirei Hamamatsu General Hospital, Hamamatsu, Japan; 2.Department of Pathology, Seirei Hamamatsu General Hospital, Hamamatsu, Japan |
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Abstract: | Coronavirus disease 2019 (COVID-19) vaccines have been delivered worldwide to prevent the spread of the disease, and almost all Japanese have received the mRNA vaccines “BNT162b2” (Pfizer-BioNTech) or “mRNA-1273” (Moderna). These vaccines have shown efficacy and safety with only minor adverse drug reactions. However, some patients develop severe adverse drug reactions, including autoimmune reactions. In addition, systemic vasculitis, mainly small-vessel vasculitis, following COVID-19 vaccination, has been reported. However, only a few investigators have reported medium-vessel vasculitis following vaccination. We herein report a case of medium-vessel vasculitis presenting with myalgia as the initial clinical manifestation following COVID-19 Moderna vaccination. |
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Keywords: | COVID-19 mRNA vaccine autoimmune phenomena medium-vessel vasculitis myalgia |
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