Table A1.

Animal SLRV prevalence in each continent from 1981 to 1990.

Continent	Studies	N	Prevalence		Range
			Mean	CI 95%	Min	Max
Africa	1	72	2.78	0.77–9.57	2.78	2.78
Asia	0	0	N/A 1	N/A	N/A	N/A
Europe	5	24,969	16.34	15.88–16.80	1.70	26.67
North America	19	57,593	19.13	18.81–19.45	0.00	39.92
South and Central America	0	0
Global	25	82,634	18.27	18.01–18.54	0.00	39.92

¹ N/A, not applicable.