FalseNegatives

A Guide to Understanding COVID-19 Test Results

Types of COVID-19 tests and how they work There are two main types of COVID-19 tests: diagnostic tests and antibody tests. Diagnostic tests are used to detect if someone currently has an active COVID-19 infection. There are two types of diagnostic tests: molecular tests (such as PCR tests) and antigen tests. Molecular tests, such as PCR tests, detect the genetic…