pone.0259908.g002.tif (1.01 MB)
Evolution of the monthly SARS-CoV-2 real-time RT-PCR positivity ratio in a-/pre-symptomatic patients screened pre-hospitalization/pre-surgery by ten-year age group as a function of time (from 1 April 2020 to 31 March 2021).
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posted on 2021-11-11, 18:35 authored by Laura Heireman, Steven Abrams, Peggy Bruynseels, Reinoud Cartuyvels, Lize Cuypers, Pieter De Schouwer, Wim Laffut, Katrien Lagrou, Niel Hens, Erwin Ho, Elizaveta Padalko, Marijke Reynders, Sarah Vandamme, Nathalie Van der Moeren, Walter Verstrepen, Philippe Willems, Reinout NaesensThe black solid line shows the age-weighted overall SARS-CoV-2 positivity ratio based on the age distribution in Belgium anno 2020. Error bars represent 95% exact Clopper-Pearson confidence limits for the age-specific positivity ratios.
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strong spatiotemporal differencesretrospectively studied datarespiratory tract samplesmainly estimated based20 &# 8211viral loads withinage group compared40 age group2421 positive resultstime periods except2 circulated predominantlymedian viral loadunweighted overall sarssimilar temporal evolutionbelgium pcr test resultspcr positivity ratio2 positivity ratioviral loadtest resultspositivity ratioage groupspositivity ratepcr detection2 realtime rtxlink ">second wavemonth periodhigh sarshidden driverscoronavirus diseasebelgian community255925 sars19 wave
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