Table 2. Proportion of pathogens by age group*.
| Pathogen | Age Group [n (%)]** | |||||||
| <1 mo (n = 95) | ≥1 mo – <12 mo (n = 629) | ≥1 yr – <5 yr (n = 564) | ≥5 yr – <15 yr (n = 313) | ≥15 yr – <50 yr (n = 2166) | ≥50 yr – <65 yr (n = 185) | ≥65 yr (n = 77) | Unknown age (n = 456) | |
| BACTERIA | ||||||||
| Salmonella spp. | 1 (1) | 34 (5) | 29 (5) | 13 (4) | 80 (4) | 5 (3) | 2 (3) | 11 (2) |
| Escherichia coli | 2 (2) | 11 (2) | 9 (2) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Campylobacter spp. | 2 (2) | 8 (2) | 8 (1) | 2 (<1) | 2 (<1) | 0 (0) | 0 (0) | 0 (0) |
| Shigella spp. | 0 (0) | 14 (2) | 29 (5) | 16 (5) | 92 (4) | 8 (4) | 3 (4) | 18 (4) |
| Total bacterial isolates: | 5 (5) | 67 (11) | 75 (13) | 31 (10) | 174 (8) | 13 (7) | 5 (6) | 29 (6) |
| PARASITES | ||||||||
| Cryptosporidium spp. | 0 (0) | 25 (4) | 42 (7) | 3 (1) | 17 (<1) | 7 (4) | 1 (1) | 4 (1) |
| Isospora spp. | 1 (1) | 1 (<1) | 3 (1) | 7 (2) | 78 (4) | 4 (2) | 0 (0) | 19 (4) |
| Giardia lamblia | 0 (0) | 2 (<1) | 6 (1) | 7 (2) | 13 (<1) | 1 (<1) | 1 (1) | 4 (1) |
| Other Parasites | 0 (0) | 0 (0) | 1 (<1) | 4 (1) | 24 (1) | 1 (<1) | 0 (0) | 3 (<1) |
| Total parasitic isolates | 1 (1) | 28 (4) | 52 (9) | 21 (7) | 132 (6) | 13 (7) | 2 (3) | 30 (7) |
| NO PATHOGEN | 90 (95) | 540 (86) | 448 (79) | 262 (83) | 1874 (87) | 160 (86) | 70 (91) | 397 (87) |
Abbreviations: mo, month(s); yr, year(s); spp, species.
*values listed as number (percent of specimens in age group).
**not all columns sum to 100% due to co-infection with multiple pathogens among some specimens.