https://techcrunch.com/2020/04/02/venture-backed-celularity-receives-fda-approval-for-early-trials-of-a-new-cell-therapy-for-covid-19/

Celularity, the venture-backed developer of novel cell therapies for cancer treatments, has received an initial clearance from the Food and Drug Administration to begin early-stage clinical trials on a potential treatment for COVID-19.

The company, which has raised at least $290 million to date (according to Crunchbase), uses “Natural Killer” (NK) cell therapies to boost the immune system’s disease-fighting response.