TORONTO – Waterloo, Ontario-based DarwinAI Corp. and Raleigh, N.C.-based Red Hat Inc.are developing a suite of deep neural networks for COVID-19 detection and risk stratification via chest radiography in cooperation with Boston Children’s Hospital. DarwinAI designed COVID-Net as “explainable” artificial intelligence (AI) that illuminates the inner workings of AI-driven medical technologies and promptly offered it on an open-source platform for the broader hospital community.

Michael Mina, assistant professor of epidemiology at the Harvard T.H. Chan School of Public Health, again criticized the U.S. FDA for taking a conventional regulatory approach to rapid antigen tests for the pandemic. However, not everyone at the FDA’s parent department deserves brickbats. Mina said Assistant Secretary for Health Brett Giroir deserves a lot of credit for assisting in the effort to stand up pilot studies for rapid antigen tests that could be used to restore the U.S. economy even in the absence of a fully rolled-out vaccination campaign.

The Sanofi SA-Glaxosmithkline plc COVID-19 vaccine program is taking a step backward to recalibrate as weak interim phase I/II data showed an insufficient response in patients age 50 and older. The step is a large one, delaying a potential launch until mid-2021 at the earliest and the end of next year at the latest.

LONDON – A study of genetic variants in patients with life-threatening COVID-19 has shed light on the mechanisms that underpin severe disease, uncovered new drug targets and pointed to approved drugs, including JAK inhibitors and phosphodiesterase type 4 inhibitors, as therapies that could aid recovery.