id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-330045-4gj9d181	Sun, Jiufeng	Prolonged Persistence of SARS-CoV-2 RNA in Body Fluids	2020-08-17		.txt	text/plain	1541	93	57	We recruited hospitalized patients with COVID-19 from 2 designated provincial emergency hospitals for e merging infectious diseases in Guangdong, China, and tested specimens by real-time reverse transcription PCR (rRT-PCR) to estimate the duration of the detection of SARS-CoV-2 RNA in various body fluids, using an accelerated failure time (AFT)-based modeling study. We used parametric Weibull regression models (AFT) to estimate the time until the loss of SARS-CoV-2 RNA detection in each body fluid and reported findings in medians and 95th percentiles using R software version 3.6.1 with flexsurv, survival, and survminer packages (9) . We used Weibull models to estimate the median and the 95th percentile for the time until the loss of SARS-CoV-2 RNA detection in swab, sputum, and fecal samples (Table; Figures 1, 2) . In this study, we estimated the time for COVID-19 case-patients to clear SARS-CoV-2 RNA in the acute phase of infection through an AFT-based modeling study.	./cache/cord-330045-4gj9d181.txt	./txt/cord-330045-4gj9d181.txt