Severe Acute Respiratory Syndrome: Historical, Epidemiologic, and Clinical Features

PMC full text:

Infect Dis Clin North Am. 2019 Dec; 33(4): 869–889.

Published online 2019 Oct 25. doi: 10.1016/j.idc.2019.07.001

Table 2

Diagnostic tests for severe acute respiratory syndrome coronavirus

RT-PCR	Detection Rates
Nasopharyngeal aspirate	Conventional RT-PCR: 32% day 3; 68% day 14³² Second-generation with real-time quantitative RT-PCR assay: 80% during first 3 d⁷³
Stool³²	97% day 14 of illness
Urine³²	42% day 15 of illness
Real-time quantitative serum SARS-CoV RNA74, 75	80% day 1; 75% day 7; 45% day 14
Serology IgG seroconversion to SARS-CoV³²	15% day 15; 60% day 21; >90% day 28

Data from Refs.32, 73, 74, 75