Here are the links:
- Coronavirus Testing Basics from the U.S. Food and Drug Administration – “Content current as of: 07/16/2020”
- COVID-19 Testing: The Threat of False-Negative Results [PubMed Abstract] [Full Text HTML] [Full Text PDF]. Mayo Clin Proc. 2020 Jun; 95(6): 1127–1129.
- A COVID-19 patient with seven consecutive false-negative rRT-PCR results from sputum specimens [PubMed Abstract] [Full Text HTML] [Full Text PDF]. Intern Emerg Med. 2020 Jul 2 : 1–4
- Variation in False-Negative Rate of Reverse Transcriptase Polymerase Chain Reaction–Based SARS-CoV-2 Tests by Time Since Exposure [PubMed Abstract] [Full Text HTML] [Full Text PDF]. Ann Intern Med. 2020 May 13 : M20-1495.
- Interpreting a covid-19 test result [PubMed Abstract] [Full Text HTML] [Full Text PDF]. BMJ 2020;369:m1808
- False Negative Tests for SARS-CoV-2 Infection — Challenges and Implications [PubMed Abstract] [Full Text HTML] [Full Text PDF]. N Engl J Med. 2020 Aug 6;383(6):e38.