Where are we now and what’s coming for COVID-19 testing
Testing for SARS-CoV-2 has two main stages.
The first is diagnostic testing in patients with acute symptoms. The question being asked here is: Are the symptoms in this patient due to COVID-19 or something else? This is the most important question in the early stages of this pandemic.
The second type of testing is designed to answer the question: Has this person been exposed to SARS-CoV-2 and developed an immune response