Table 3.

Results of additional tests for 27 nasal wash specimens that tested positive by neuraminidase detection assay but tested negative for influenza virus by‚ÄČculture

nNeuraminidase assayIFAInfluenza A EIART-PCR
2PositiveInfluenza APositiveInfluenza A
1PositiveInfluenza APositiveNegative
2PositiveInfluenza ANegativeInfluenza A
1PositiveNegativeNegativeInfluenza A
1PositiveNegativeNegativeInfluenza B
20PositiveNegativeNegativeNegative