Table 1.

Number of public health agencies that have reported human cases of bat variant rabies, and the number of calls, investigations and person-hours invested for mass bat exposure investigations based on prior mass bat exposure experience

	Little or no experience (N = 12) mean, range, mode	Prior experience (N = 33) mean, range, mode	All agencies (N = 45) mean, range, mode
Number of agencies reporting prior human cases from bat variant rabies	n = 3 (25%)	n = 19 (58%)	n = 22 (49%)
Mass bat exposure consultations per year per agency	1.17, 0–10, 0	16.9, 1–300, 2	12.5, 0–300, 2
Investigations of possible mass bat exposures per year per agency	0.3, 0–1, 0	4.7, 0–50, 1	3.5, 0–50, 1
Person-Hours per mass bat exposure investigation per year per agency	33.3, 0–80, 0	106.7, 80–400, 80	87.1, 0–400, 80