Our World in Data-- Extensive world-wide data at the national level from the start of the epidemic and updated daily is available at https://ourworldindata.org/coronavirus. The data is available by topics, or the entire data set can be downloaded as a single file.
Worldometers-- Worldwide daily data Covid19 pandemic data is available from https://www.worldometers.info/coronavirus/. The data includes several variables and includes graphs and tables.