TABLE 1.
Lysate antibodies in study infants
| RSV PCR+ Number in age group (percent) |
Not RSV PCR+ Number in age group (percent) |
|||||||
|---|---|---|---|---|---|---|---|---|
| All Ages | <10 monthsa | >10–12 months | >12 months | All ages | <10 months | >10–12 months | >12 months | |
| Total | 327 | 124 | 148 | 55 | 1380b | 568 | 586 | 223 |
| Lysate+ (% total) | 314 (96%) | 120 | 142 | 52 | 583 (42%)b | 249 | 217 | 114 |
| Titer-200–500 | 24/314 (8%) | 11/120 (9%) | 11/124 (8%) | 2/52 (4%) | 177/580 (31%) | 104/249 (42%) | 53/217 (24%) | 20/114 (18%) |
| Titer-501–1000 | 39/314 (12%) | 10/120 (8%) | 20/142 (14%) | 9/52 (17%) | 70/580 (12%) | 36/249 (14%) | 24/217 (11%) | 10/114 (9%) |
| Titer >1000 | 251/314 (80%) | 99/120 (82%) | 111/142 (78%) | 41/52 (79%) | 333/580 (57%) | 109/249(44%) | 140/217 (65%) | 84/114 (74%) |
Abbreviations: PCR, polymerase chain reaction; RSV, respiratory syncytial virus.
a
Age at blood draw.
b
This includes three patients lysate+ without age at blood draw available not included in age-specific data.