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Serimmune COVID Antibody Epitope Mapping Service

Serimmune has launched a COVID antibody epitope mapping discovery service, which leverages the company's serum epitope repertoire analysis (SERA) technology. The service requires 100 ul of serum or plasma per sample, which Serimmune analyzes for IgG and/or IgM antibodies using its proprietary, 10-billion-member, random, bacterial peptide display library. The service provides a composite score of the antibody epitopes identified in each sample to those observed in cohorts of individuals with mild, moderate, and severe COVID-19 disease. It also provides single amino acid-resolution epitope data across the entire SARS-CoV-2 proteome for each sample and shows how it compares to a large cohort of pre-pandemic controls and SARS-COV-2 positive samples, the company said.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.