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人类微小病毒B19能够引起成人伴有多关节炎的急性发热性疾病，在某些病例可出现关节持续性疼痛。新近的研究证明在长期关节炎发作或脉管炎患者体内存在B19DNA，表明与B19感染和自身免疫性疾病有关。B19是否为导致长期持续症状或免疫机能紊乱的病因尚不清楚。作者报告1例在开始?
Human Parvovirus B19 can cause acute febrile illness in adults with polyarthritis and sustained joint pain in some cases. Recent studies have demonstrated the presence of B19 DNA in patients with chronic arthritis or vasculitis, suggesting a link between B19 infection and autoimmune diseases. Whether B19 is the cause of long-term persistent symptoms or immune dysfunction is unclear. Authors report 1 case at the beginning?