Table 2. Classification specificity of four primary database fields.

	Classification	Count
Drug	drug name	83
	drug group	32
	drug group/name combo	3
Bacteria	species	106
	genus	4
	family	1
Location	hospital	123
	city	77
	state/province/district	21
	country	73
Start Date	day	47
	month	121
	year	134