Nasopharyngeal Pneumococcal Density and Evolution of Acute Respiratory Illnesses in Young Children, Peru, 2009–2011
Roger R. Fan, Leigh M. Howard, Marie R. Griffin, Kathryn M. Edwards, Yuwei Zhu, John V. Williams, Jorge E. Vidal, Keith P. Klugman, Ana I. Gil, Claudio F. Lanata, and Carlos G. Grijalva
Author affiliations: Vanderbilt University, Nashville, Tennessee, USA (R.R. Fan, L.M. Howard, M.R. Griffin, K.M. Edwards, Y. Zhu, C.F. Lanata, C.G. Grijalva); University of Pittsburgh, Pittsburgh, Pennsylvania, USA (J.V. Williams); Emory University, Atlanta, Georgia, USA (J.E. Vidal, K.P. Klugman); Instituto de Investigacion Nutricional, Lima, Peru (A.I. Gil, C.F. Lanata)
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Figure 2
Figure 2. Pneumococcal densities of current acute respiratory illness samples subdivided by reverse transcription PCR detection of respiratory viruses. Each circle represents a single bacterial density measurement. The median for the samples of each subgroup is represented by a gray horizontal line. Asterisk indicates significantly different from virus-negative samples.
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