About data formats

All data are in space-separated ASCII format. Most of the data sets in this collection are numbers of case reports tabulated for a specific region (borough/city/county/region) over a specified period of time. Various date formats are used, noted in the descriptions of files in a way that should be fairly clear:

Missing data are usually specified with a *.

Some files have headers, denoted with a # at the beginning of the lines, to specify the meaning of each column.