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Volume 25, Number 11—November 2019

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. GrijalvaComments to Author 
Author affiliations: Vanderbilt University Medical Center, Nashville, Tennessee, USA (L.M. Howard, Y. Zhu, M.R. Griffin, K.M. Edwards, C.F. Lanata, C.G. Grijalva); University of Pittsburgh, Pittsburgh, Pennsylvania, USA (J.V. Williams); Instituto de Investigacion Nutricional, Lima, Peru (A.I. Gil, C.F. Lanata); Emory University, Atlanta, Georgia, USA (J.E. Vidal, K.P. Klugman)

Main Article


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
M 253 (53)
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)
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.

Main Article

Page created: October 15, 2019
Page updated: October 15, 2019
Page reviewed: October 15, 2019
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