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Virological analysis of nasopharyngeal aspirates
| Hospital day | DFA | Cell culture | Multiplex PCR | Oseltamivir susceptibility | Amantadine susceptibility |
|---|---|---|---|---|---|
| 1 | Influenza A | Negative | Not tested | R | S |
| 5 | Influenza A | Influenza A | Not tested | R | S |
| 7 | Influenza A | Influenza A | Influenza A | R | R |
| 13 | Negative | Negative | Influenza A | Not tested | Not tested |
DFA Direct immunofluorescence assay; PCR Polymerase chain reaction; R Resistant; S Susceptible
