![At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data | BMC Medicine | Full Text At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data | BMC Medicine | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs12916-020-01810-8/MediaObjects/12916_2020_1810_Fig2_HTML.png)
At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data | BMC Medicine | Full Text
![At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data | BMC Medicine | Full Text At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data | BMC Medicine | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs12916-020-01810-8/MediaObjects/12916_2020_1810_Fig1_HTML.png)
At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data | BMC Medicine | Full Text
![Frustrated customers wait 7+ days to get COVID test results, now the Bay Area-based company won't answer - ABC7 San Francisco Frustrated customers wait 7+ days to get COVID test results, now the Bay Area-based company won't answer - ABC7 San Francisco](https://cdn.abcotvs.com/dip/images/11481818_virusgeeks.jpg?w=1600)
Frustrated customers wait 7+ days to get COVID test results, now the Bay Area-based company won't answer - ABC7 San Francisco
![Performance of an Antigen-Based Test for Asymptomatic and Symptomatic SARS-CoV-2 Testing at Two University Campuses — Wisconsin, September–October 2020 | MMWR Performance of an Antigen-Based Test for Asymptomatic and Symptomatic SARS-CoV-2 Testing at Two University Campuses — Wisconsin, September–October 2020 | MMWR](https://www.cdc.gov/mmwr/volumes/69/wr/social-media/mm695152a3_RapidAntigenTestResultsCOVID19_IMAGE_01Jan21_1200x675.jpg)
Performance of an Antigen-Based Test for Asymptomatic and Symptomatic SARS-CoV-2 Testing at Two University Campuses — Wisconsin, September–October 2020 | MMWR
![Are you infectious if you have a positive PCR test result for COVID-19? - The Centre for Evidence-Based Medicine Are you infectious if you have a positive PCR test result for COVID-19? - The Centre for Evidence-Based Medicine](https://www.cebm.net/wp-content/uploads/2020/08/Picture1.png)
Are you infectious if you have a positive PCR test result for COVID-19? - The Centre for Evidence-Based Medicine
![Welsh Government on X: "Regular testing helps protect the people you're spending time with - especially if you're back in school, university or at work. Got symptoms? Self-isolate now and book a Welsh Government on X: "Regular testing helps protect the people you're spending time with - especially if you're back in school, university or at work. Got symptoms? Self-isolate now and book a](https://pbs.twimg.com/media/E_tPYeJXEAACIuq.jpg)
Welsh Government on X: "Regular testing helps protect the people you're spending time with - especially if you're back in school, university or at work. Got symptoms? Self-isolate now and book a
![COVID-19 RT-PCR Testing for Elite Athletes - Recommendations for elite sport - BJSM blog - social media's leading SEM voice COVID-19 RT-PCR Testing for Elite Athletes - Recommendations for elite sport - BJSM blog - social media's leading SEM voice](https://blogs.bmj.com/bjsm/files/2020/11/IMG_0407-scaled.jpg)
COVID-19 RT-PCR Testing for Elite Athletes - Recommendations for elite sport - BJSM blog - social media's leading SEM voice
![Coronavirus PCR testing - how does it work?, Research, Department of Biochemistry | University of Otago Coronavirus PCR testing - how does it work?, Research, Department of Biochemistry | University of Otago](https://www.otago.ac.nz/__data/assets/image/0018/312327/fluorescent-probe-based-real-time-pcr_650-738091.png)
Coronavirus PCR testing - how does it work?, Research, Department of Biochemistry | University of Otago
![Humoral response and PCR positivity in patients with COVID-19 in the New York City region, USA: an observational study - ScienceDirect Humoral response and PCR positivity in patients with COVID-19 in the New York City region, USA: an observational study - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2666524720301208-gr1.jpg)