Nasal spray treats Delta variant infection in mice, shows broad spectrum results

In addition to testing with mice, they also tested in human cells:

> UBC researchers tested four variants, including Delta, in human lung cells and organoids, tissue cultures that can mimic the organ they’re taken from, and found that N-0385 inhibits infection, with no evidence of toxicity.

https://www.nature.com/articles/s41586-022-04661-w