Table 3. The number of positive results from rectal swab, fecal and liver tissue samples detected using 4 protocols (1–4) and 2 programs (A, B)

Protocol	Rectal swabs, faces samples, liver tissues (n=133)
	Program A	Program B
Protocol 1	0	0
Protocol 2	0	0
Protocol 3	28	0
Protocol 4	0	28