A case report of moderate COVID-19 with an extremely long-term viral shedding period in China

IF 0.2 Q4 MEDICINE, RESEARCH & EXPERIMENTAL
Yonghong Wang, Chao-Nan Liu, Qinghui Meng, Shuang Gui, Yu Wu, P. Cheng, Peng Wang, Xiu-Yun Liao
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Abstract

Background: An ongoing outbreak of novel coronavirus disease 2019 (COVID-19) from Wuhan, China, is currently recognized as a global public health emergency, which has subsequently spread to the rest of China and other countries. The WHO raised the COVID-19 alert to the highest level. The virus is a new highly contagious via human-to-human transmission. The median duration of viral shedding is 20.0 days. We report that the longest duration of viral shedding was 32.0 days from illness onset in a patient with moderate COVID-19 admitted to QianJiang Central Hospital.Case presentation: A 37-year-old male sought medical advice while suffering from fever, dry cough, fatigue, dizziness, runny nose and diarrhoea. Five days before the visit, he had a history of travel from affected geographic areas. The patient had a positive RT-PCR test, and chest CT images showed multiple nodules and mixed ground-glass opacification with consolidation in both lungs. Laboratory findings showed that his lymphocyte and CD4+ counts were below the normal range. The patient was given antiviral treatment, including arbidol, lopinavir, IFN-α, and traditional Chinese medicine, and other necessary support care. All clinical symptoms and CT imaging manifestation abnormalities resolved during the course of therapy.Conclusion: Although the positive RT-PCR tests were verified in consecutive upper respiratory specimens, the clinical symptoms, CT imaging findings, CD4+ lymphocyte counts, and IgG antibody levels had obviously improved. Positive tests may be detecting pieces of inactive viruses, which would not be transmissible in individual cases.
中国中度新冠肺炎病毒脱落期极长病例报告
背景:目前,中国武汉持续爆发的新型冠状病毒病2019 (COVID-19)已被确认为全球突发公共卫生事件,并随后蔓延到中国其他地区和其他国家。世界卫生组织将新冠肺炎警报提升至最高级别。该病毒是一种通过人际传播的新型高度传染性病毒。病毒脱落的中位持续时间为20.0天。我们报道了一名在钱江中心医院住院的中度COVID-19患者发病后最长的病毒脱落时间为32.0天。病例介绍:一名37岁男性因发烧、干咳、疲劳、头晕、流鼻涕和腹泻就诊。在就诊前5天,他有来自受影响地区的旅行史。患者RT-PCR检测阳性,胸部CT示双肺多发结节及混合性磨玻璃混浊伴实变。化验结果显示他的淋巴细胞和CD4+计数低于正常范围。给予抗病毒治疗,包括阿比多尔、洛匹那韦、干扰素-α、中药及其他必要的支持治疗。所有临床症状及CT表现异常均在治疗过程中消失。结论:虽然连续上呼吸道标本RT-PCR检测均证实阳性,但临床症状、CT影像学表现、CD4+淋巴细胞计数、IgG抗体水平均有明显改善。阳性检测可能检测到不活跃的病毒片段,这些病毒在个别病例中不会传播。
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