I am currently trying to convince our ethical committee to run a deep algorithm based on our CT-scan images in Shiraz Medical School, Iran. We have images of nearly one thousand PCR positive cases here.
If you are interested to cooperate, I will consult my supervisors here and let you know concerning the result.
Here is an open dataset of 100 segmented axial CT slices from ~60 Italian patients: http://medicalsegmentation.com/covid19 You can find an updated list of Coronavirus (Covid-19) dataset in the following link: https://www.researchgate.net/post/updated_list_Last_updated_July_10th_2020_of_Coronavirus_Covid-19_dataset_and_other_Research_Resources