There are two annotation files in this release. Filename - *Study-Level_Annotations.csv*, contains two types of study level annotations of these X-rays (Normal/Abnormal status & Image Quality). Filename - *BoundingBox.csv*,contains pixel level image annotations for 10 Pathologies - **Atelectasis, Cardiomegaly, Consolidation/Ground Glass opacity, Edema, Nodule, Pleural Effusion, Pleural Other,Pneumothorax**. The corresponding X-rays were released by Medical Imaging Data Bank of the Valencia region (BIMCV). They can be downloaded at the following link - https://bimcv.cipf.es/bimcv-projects/bimcv-covid19.
Vayá, M. D. L. I., Saborit, J. M., Montell, J. A., Pertusa, A., Bustos, A., Cazorla, M., ... & Caparrós, M. (2020). BIMCV COVID-19+: a large annotated dataset of RX and CT images from COVID-19 patients. arXiv preprint arXiv:2006.01174.