Research estimates that more than 100,000 people were already infected with COVID-19 by early March—when only 1,514 cases and 39 deaths had been officially reported
A new SARS-CoV-2 spike protein biosensor chip was successfully deployed for simultaneous measurements of IgG, IgA, and IgM using only 2 µl of serum per patient
Researchers propose that the COVID-19 virus acts as a microRNA "sponge" to deplete miRNA levels in ways that aid viral replication and stymie the host immune response