Stimulating the innate immune system with defective viral genomes (DVG)-based strategy provided broad-spectrum protection against RNA viral infections, including SARS-CoV-2 and other respiratory diseases in animal models, according to a U.S.-led international collaborative study reported in the Nov. 17, 2021, edition of Cell.

Patients and investors in Alung Technologies Inc. can breathe a little easier now that the company’s Hemolung respiratory assist system has won a de novo approval from the FDA. The FDA approval comes more than eight years after Hemolung received CE mark and Health Canada approval. Hemolung gained FDA emergency use authorization for patients with COVID-19 in April 2020.