![Screening To Prevent SARS-CoV-2 Outbreaks: Saliva-Based Antigen Testing Is Better Than The PCR Swab | Health Affairs Screening To Prevent SARS-CoV-2 Outbreaks: Saliva-Based Antigen Testing Is Better Than The PCR Swab | Health Affairs](https://www.healthaffairs.org/do/10.1377/hblog20200909.430047/listitem/HABlog_COVID_Swab.jpg)
Screening To Prevent SARS-CoV-2 Outbreaks: Saliva-Based Antigen Testing Is Better Than The PCR Swab | Health Affairs
![How Accurate Are COVID-19 Tests? Many Factors Can Affect Sensitivity, Specificity of Test Results | ARUP Laboratories How Accurate Are COVID-19 Tests? Many Factors Can Affect Sensitivity, Specificity of Test Results | ARUP Laboratories](https://www.aruplab.com/files/images/blog/2020-Swab.jpg)
How Accurate Are COVID-19 Tests? Many Factors Can Affect Sensitivity, Specificity of Test Results | ARUP Laboratories
![New COVID-19 test returns results in 45 minutes, without nasal swab | CU Boulder Today | University of Colorado Boulder New COVID-19 test returns results in 45 minutes, without nasal swab | CU Boulder Today | University of Colorado Boulder](https://www.colorado.edu/today/sites/default/files/styles/medium/public/article-image/rt_lamp8ga.jpg?itok=sEMhLWNK)
New COVID-19 test returns results in 45 minutes, without nasal swab | CU Boulder Today | University of Colorado Boulder
![University of Utah Health and ARUP Conduct Saliva Testing for COVID-19 Study | University of Utah Health University of Utah Health and ARUP Conduct Saliva Testing for COVID-19 Study | University of Utah Health](https://healthcare.utah.edu/publicaffairs/news/2020/images/nasal-swab.jpg)