Table 2. Predicted cross-species transmission risk levels and corresponding observed event probabilities for human–Suidae viruses.

Predicted risk level (%)	Event Probabilities(%)	No. of samples	95% CI
Abbreviation:CI= confidence interval.
0–15	0.5	1,796	(0.002, 0.009)
15–30	1.4	1,112	(0.008, 0.023)
30–45	2.3	565	(0.012, 0.039)
45–60	3.6	552	(0.022, 0.055)
60–75	8.4	407	(0.058, 0.115)
75–90	14.1	199	(0.096, 0.197)
90–100	28.6	14	(0.084, 0.581)