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Article

Clinical characteristics, cause analysis and infectivity of COVID-19 nucleic acid repositive patients: A literature review.

Journal of medical virology - 1 Mar 2021

Li Youjiang, Ji Danping, Cai Wangyu, Hu Yingying, Bai Yongying, Wu Jianguo, Xu Jian

Abstract excerpt

Coronavirus disease 2019 (COVID-19) poses a serious threat to human health and lives. The virus is still spreading throughout the world, and the cumulative number of confirmed cases is increasing. After patients with COVID-19 are treated and discharged, some have repeated clinical symptoms and become positive for nucleic acid tests a second time. Through analysis and review of the existing literature, the...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 32890414
DOI: 10.1002/jmv.26491
PMCID: PMC7894340

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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