Skip to main content

Table 5 Numbers of subjects from whom the indicated types of samples were collected during the rapid research response study which are available for use by qualified investigators

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

  1. Abbreviations: NW=nasal wash; NPS=nasopharyngeal swab; TS=throat swab; PBMC=peripheral blood mononuclear cells.
  2. *Two of these had significant increases in serum antibody levels without virological confirmation. All subjects have paired sera, but some have only convalescent PBMCs.
  3. **One subject has convalescent PBMCs without serum.