Volume 20, Number 6—June 2014
Research
Oral Fluid Testing for Pertussis, England and Wales, June 2007–August 2009
Helen Campbell
, Gayatri Amirthalingam, Norman K. Fry, David Litt, Timothy G. Harrison, Karen Wagner, Natasha S. Crowcroft, and Elizabeth Miller
, Gayatri Amirthalingam, Norman K. Fry, David Litt, Timothy G. Harrison, Karen Wagner, Natasha S. Crowcroft, and Elizabeth Miller
Table 2
Total and proportion of confirmed pertussis cases, England and Wales, June 2007–August 2009
| Patient age | Test method, no. (%)* |
Total | |||
|---|---|---|---|---|---|
| Culture | PCR | Serology | Oral fluid | ||
| <3 mo | 211 (60) | 118 (34) | 11 (3) | 11 (3) | 351 |
| 3–5 mo | 46 (53) | 27 (31) | 4 (5) | 10 (11) | 87 |
| 6–11 mo | 9 (53) | 2 (12) | 3 (18) | 3 (18) | 17 |
| 1–4 y | 17 (14) | 5 (4) | 36 (30) | 63 (52) | 121 |
| 5–9 y | 5 (4) | 0 | 57 (41) | 77 (55) | 139 |
| 10–14 y | 12 (3) | 3 (1) | 253 (60) | 153 (36) | 421 |
| >15 y | 21 (2) | 0 | 1,012 (77) | 274 (21) | 1,307 |
| All | 321 | 155 | 1,376 | 591 | 2,443 |
*When >1 test method was used, culture takes precedence over PCR, which takes precedence over serology, which takes precedence over oral fluid testing (e.g., a case confirmed by culture and serologic testing is listed under culture).
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