Table 1.

Immunoconversions to target pathogens: number (n) and percentage (%) of individuals that immunoconverted.

To Single and Multiple Pathogens: n (%)
IC	Criteria A	Criteria B
Single (N = 1)	194 (53.44)	69 (75.82)
Multiple (N ≥ 2)	169 (46.56)	22 (24.18)
To Specific Pathogens: n (%)
Pathogen	Criteria A	Criteria B
Campylobacter jejuni	107 (7.65)	1 (0.07)
Helicobacter pylori	127 (9.08)	2 (0.14)
Toxoplasma gondii	166 (11.87)	22 (1.57)
Hepatitis A virus	99 (7.08)	20 (1.43)
Norovirus GI.1	121 (8.65)	39 (2.79)
Norovirus GII.4	97 (6.93)	36 (2.57)