Table 1.
Population-weighted proportion of individuals seropositive for each combination of pathogens by total pathogen burden level in subjects aged ⩾25 years in the National Health and Nutrition Examination Survey III (1988–1994)
| Total pathogen burden level | |||||
|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | |
| Pathogen combinations, N (%) | 349 (11·0) | 857 (21·7) | 1706 (29·5) | 2472 (29·1) | 1138 (8·7) |
| Seronegative for all pathogens | 349 (11·0) | ||||
| HSV-1+ | 449 (11·5) | ||||
| CMV+ | 277 (6·7) | ||||
| HSV-2+ | 72 (2·3) | ||||
| H. pylori+ | 59 (1·2) | ||||
| CMV+/HSV-1+ | 1087 (18·5) | ||||
| HSV-1+/H. pylori+ | 214 (3·6) | ||||
| HSV-1+/HSV-2+ | 107 (2·9) | ||||
| CMV+/HSV-2+ | 142 (2·2) | ||||
| CMV+/H. pylori+ | 143 (2·1) | ||||
| HSV-2+/H. pylori+ | 13 (0·2) | ||||
| CMV+/HSV-1+/H. pylori+ | 1693 (18·8) | ||||
| CMV+/HSV-1+/HSV-2+ | 592 (8·0) | ||||
| CMV+/HSV-2+/H. pylori+ | 114 (1·1) | ||||
| HSV-1+/HSV-2+/H. pylori+ | 73 (1·1) | ||||
| CMV+/HSV-1+/HSV-2+/H. pylori+ | 1138 (8·7) | ||||
CMV, Cytomegalovirus; HSV-1, herpes simplex virus-1; HSV-2, herpes simplex virus-2.