Almost every aspect of the fight against COVID-19 depends on the ability to determine whether an individual is or has been infected with SARS-CoV-2, but more than six months into the pandemic there is still uncertainty about the accuracy of widely used PCR-based diagnostics and serological antibody tests.

This story is part of The Cancer Letter’s ongoing coverage of COVID-19’s impact on oncology. A full list of our coverage, as well as the latest meeting cancellations, is available here.