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Presence of Lassa virus antigen or antibody and outcome in 50 patients with virus culture-confirmed Lassa fever (percentages are of the total in each column)
| Positive assay | No. positive samples from patients that died (n = 17) (%) | No. positive samples from patients that survived (n = 33) (%) |
|---|---|---|
| ELISA antigen | 9 (53) | 9 (27) |
| ELISA IgM | 7 (41) | 29 (88)a |
| ELISA IgG | 1 (6) | 8 (24) |
| IFA | 9 (53) | 26 (79) |
P < 0.001 between survivors and deaths.
