By Marie Rosenthal
Waiting two weeks after symptom onset until performing a serological test to diagnose SARS-CoV-2 infection enables the body to develop antibodies and increases the performance of serology testing, according to new COVID-19 testing recommendations devised by the Infectious Diseases Society of America (IDSA).
“We are recommending against using antibody testing in the first one or two weeks after exposure to infection because many patients haven’t developed antibodies