Diagnostic Testing for COVID-19: Considering False Positive and False Negative Results by Deborah A. Zarin, MD, MRCT Center Program Director and Joseph Lau, MD


Published on: April, 2020

Diagnostic tests for COVID-19 are central to most proposed plans for relaxing physical distancing and related policies. The following work by Deborah A. Zarin, MD MRCT Center Program Director and Joseph Lau, MD ,Professor Emeritus of Health Services, Policy and Practice, Center for Evidence Synthesis in Health, Brown University School of Public Health serves as a reminder about what we know and don’t know about these tests, how frequently they might produce inaccurate results, and how these inaccuracies might affect their utility in different potential scenarios.