Comparison of Saliva and Nasopharyngeal Swab Nucleic Acid Amplification Testing for Detection of SARS-CoV-2: A Systematic Review and Meta-analysis | Public Health | JAMA Internal Medicine | JAMA Network https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2775397?guestAccessKey=8058e841-bc18-4398-a251-54087a84297f&utm_source=silverchair&utm_medium=email&utm_campaign=article_alert-jamainternalmedicine&utm_content=olf&utm_term=011521