Table. Estimated time 11 researchers spent in a barn inhabited by Francisella tularensis–infected house mice, Switzerland, June 1–August 31, 2012.

Researcher no.	Total time in barn
	Hours	Days
1	78	22
2	49	15
3	32	4
4	29	4
5	21	4
6	18	2
7	9	1
8	9	1
9	9	1
10	9	1
11	9	1