CDC Data PortalFor raw data that can be shared publicly (i.e. it does not have sensitive private information) you can try the CDC data portal.
There are a number of preset categories displayed in boxes on the data portal’s homepage or you can click on ‘Browse all’ to search them all. From 'Browse all' ou can search with keywords in the search bar at the top and filter your searchers using the options to the left, including Categories, Type, Tags and Domain.