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[personal profile] chuka_lis
Если определять коронавирус в тестовых мазках не только качественно, но и количественно- можно узнать стадию болезни, потому что, согласно данным исследования гарвардской команды ученых, в зависимости от сроков с начала заражения и симптоматичности количество выделяемого вируса-  варьирует.
Конечно, в условиях когда и качественное тестирование оставляет желать лучшего, подобные знания  -нечто вроде бантика.
SARS-CoV-2 diagnostics that report viral RNA concentrations can be used to determine a patient's stage of infection, but this potential has not yet been realized due to a lack of prospective longitudinal data to calibrate such inferences. Here, we report the viral RNA trajectories for 68 individuals using quantitative PCR testing. On average, symptomatic and asymptomatic individuals reached similar peak viral RNA concentrations within similar amounts of time (2.9 days [0.7, 4.7] vs. 3.0 days [1.3, 4.3]), but acute shedding lasted longer for symptomatic individuals (10.5 days [6.5, 14.0] vs. 6.7 days [3.2, 9.2]). A second test within 2 days after an initial positive PCR result reliably indicated whether viral RNA concentration was increasing, decreasing, or in a low-level persistent phase. Quantitative viral RNA assessment, informed by viral trajectory, can improve algorithms for clinical and public health management.

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