I apologize if I’m posting in the wrong section (if so please remove/move this post).
We just released a free (non commercial use) dataset made of 62 submillimetric CT scans of COVID-19 positive patients.
Automatic lung tissue labeling and human-based clinical score are provided as well.
Maybe in this difficult historical period, this dataset can be useful for your research.
Here the article:
My 2 cents.