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Coronavirus disease 2019 (COVID‐19) diagnosis is based on molecular detection of SARS‐CoV‐2 in respiratory samples such as nasal swab (NS). However, the evidence that NS in patients with pneumonia was sometimes negative raises the attention to collect other clinical specimens. SARS‐CoV‐2 was shown in 10.3% rectal swabs (RS), 7.7% plasma, 1% urine, and 0% feces from 143 NS‐positive patients. Potential...
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