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. 2021 Jun 3;7(6):e28265. doi: 10.2196/28265

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©Chak Foon Tso, Anurag Garikipati, Abigail Green-Saxena, Qingqing Mao, Ritankar Das. Originally published in JMIR Public Health and Surveillance (https://publichealth.jmir.org), 03.06.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Public Health and Surveillance, is properly cited. The complete bibliographic information, a link to the original publication on https://publichealth.jmir.org, as well as this copyright and license information must be included.

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(A) Daily median CT values for SARS-CoV-2 positive samples. (B) Daily change in percent positivity for SARS-CoV-2 detection. (C) Daily SARS-CoV-2 R_t. (D) Daily count of hospitalized individuals with COVID-19. (E) The 7-day rolling average of the daily median CT values for SARS-CoV-2–positive samples. (F) The 7-day rolling average of percent positivity rates for SARS-CoV-2–positive samples. (G) The 7-day rolling average of daily SARS-CoV-2 R_t values. (H) The 7-day rolling average of the number of hospitalized individuals with COVID-19 in the greater El Paso area between September 15, 2020, and January 11, 2021. The red lines in graphs C and G signify an R_t value of 1. Red dots represent the global minimum for smoothed CT values and global maxima for smoothed epidemiological indicators. CT: cycle threshold; ORF1ab: open reading frames 1ab; R_t: transmission rate.