From: Geographic and topographic determinants of local FMD transmission applied to the 2001 UK FMD epidemic
Absent
Present
River
Case
94 (83.2)
16 (14.2)
Control
141 (74.6)
45 (23.8)
Rail
105 (92.9)
7 (6.2)
166 (87.8)
20 (10.6)
River & Rail
91 (80.5)
22 (19.5)
128 (67.7)
61 (32.3)