From: Rapid research response to the 2009 A(H1N1)pdm09 influenza pandemic (Revised)
H1N1 Infection virologically confirmed? | Type of sample | ||||||
---|---|---|---|---|---|---|---|
 | Acute and convalescent NW, NPS and/or TS, serum and PBMCs | Acute and convalescent serum samples, and NW, NPS and/or TS | Acute and convalescent NW, NPS and/or TS samples | Acute NW, NPS and/or TS; and PBMCs and serum sample | Acute NW, NPS and/or TS; +/− acute serum | Convalescent serum and PBMCs (> 2 weeks after illness onset) | Stool (acute and/or convalescent) |
  Yes | 43* | 19 | 3 | 6** | 17 | 41 | 32 |
  No | 8 | 0 | 0 | 34 | 100 | 0 | 2 |