antibodies

The IgM test had nearly 100 percent specificity with 1,400 negative samples and 98 percent sensitivity with samples 15 to 30 days after symptom onset.

The firm's molecular solutions revenues increased 79 percent to $31.7 million due to COVID-19 testing demand.

The test targets antibodies for the viral spike protein and can characterize a vaccine-induced immune response.

The BioCheck chemiluminescence tests can process human serum samples in 30 minutes to detect IgG and IgM antibodies.

DeCode Genetics researchers found patients' antibody titers increased in the two months following diagnosis, then stabilized.

Researchers analyzed the performance of a dozen SARS-CoV-2 serology assays on samples from COVID-19 patients, patients with other disease, and pre-pandemic samples.