Volume 25, Number 11—November 2019
Research
Nasopharyngeal Pneumococcal Density during Asymptomatic Respiratory Virus Infection and Risk for Subsequent Acute Respiratory Illness
Leigh M. Howard, Yuwei Zhu, Marie R. Griffin, Kathryn M. Edwards, John V. Williams, Ana I. Gil, Jorge E. Vidal, Keith P. Klugman, Claudio F. Lanata, and Carlos G. Grijalva
Table
Selected demographic characteristics of 480 children from whom nasopharyngeal samples were obtained during asymptomatic periods, Respiratory Infections in Andean Peruvian Children study, May 2009–September 2011*
| Characteristic | Value |
|---|---|
| Sex | |
| M | 253 (53) |
| F |
227 (47) |
| Median age at enrollment (IQR), mo | 7.7 (1.0–18.8) |
| No. samples per child (IQR) | 2 (1–2) |
| No. persons per household (IQR), n = 476 |
5 (4–6) |
| No. children age <5 y in household, n = 476 | |
| 1 | 323 (68) |
| 2 | 140 (29) |
| >3 |
13 (3) |
| Shares a bed, n = 473 | 461 (97) |
| Received >1 PCV7 dose, n = 468 | 262 (56) |
*Values are no. (%) children unless indicated otherwise. IQR, interquartile range; PCV7, 7-valent pneumococcal conjugate vaccine.
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