Please go to the following link, " https://github.com/owid/covid-19-data/tree/master/public/data ". You will find the updated dataset for COVID-19 cases all over the world. And the dataset is updated on a regular basis.
We have compiled a large and new dataset of COVID-19 CT scans of patients. You can use it at the following link:https://www.researchgate.net/publication/341804692_A_Fully_Automated_Deep_Learning-based_Network_For_Detecting_COVID-from_a_New_And_Large_Lung_CT_Scan_Dataset/stats
On a global scale, information on this subject is published on its websites by the World Health Organization. On a national scale, this information is published on the websites of central health care institutions (e.g. the Ministry of Health) and public safety institutions, including anti-pandemic security institutions, and government-appointed crisis management institutions.