LOS ANGELES — Patients with severe COVID-19 disease who develop respiratory failure have malfunctions in their immune systems that distinguish them from other COVID-19 patients, according to a new study led by Cedars-Sinai. The findings could help doctors develop new…

Two months ago, Moderna trumpeted “positive” early data for its COVID-19 vaccine but didn’t offer the results in a scientific presentation or in a peer-reviewed study. Now, it’s showing us the receipts. The phase 1 study, being run by the…