Volume 17, Number 8—August 2011
Research
Novel Arenavirus Infection in Humans, United States
Table 2
Antibody (immunoglobulin G) titers against WWAV and LCMV in 1,185 cases of acute central nervous system disease or undifferentiated febrile illnesses, United States*
| No. cases | Antibody titer |
Apparent
homologous virus | |
|---|---|---|---|
| WWAV | LCMV | ||
| 5 | 640 | <320 | WWAV |
| 1 | 1,280 | <320 | WWAV |
| 3 | 2,560 | <320 | WWAV |
| 1 | 10,240 | <320 | WWAV |
| 7 | <320 | 640 | LCMV |
| 3 | <320 | 1,280 | LCMV |
| 5 | <320 | 2,560 | LCMV |
| 4 | <320 | 5,120 | LCMV |
| 2 | <320 | 10,240 | LCMV |
| 3 | <320 | 20, 480 | LCMV |
| 2 | 320 | <320 | Indeterminate |
| 1 | 640 | 1,280 | Indeterminate |
| 4 | <320 | 320 | Indeterminate |
| 1,144 | <320 | <320 | None |
*WWAV, Whitewater Arroyo virus; LCMV, lymphocytic choriomeningitis virus.


