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Volume 17, Number 11—November 2011
Dispatch

Seasonal Influenza A Virus in Feces of Hospitalized Adults

Martin C.W. Chan1, Nelson Lee1Comments to Author , Paul K.S. Chan, K.F. To, Rity Y.K. Wong, Wing-Shan Ho, Karry L.K. Ngai, and Joseph J.Y. Sung
Author affiliations: The Chinese University of Hong Kong, Hong Kong Special Administrative Region, People’s Republic of China

Main Article

Table 2

Fecal detection of seasonal influenza A viral RNA in stool samples, by year of study and virus subtype, Hong Kong, 2006–2009*

Year of study No. fecal viral RNA–positive/ no. tested (%) Fecal viral RNA–positive by virus subtype, no. (%)
Fecal viral RNA concentration by virus subtype, log10 RNA copies/g stool, median (IQR)
H1 H3 H1 H3
2006 11/20 (55) 7/7 (100) 2/4 (50) 5.0 (4.6–6.0) NA
2007 19/35 (54) 0/0 19/31 (61) NA 4.2 (4.0–5.1)
2008 11/26 (42) 1/5 (20) 10/21 (48) NA 3.9 (3.7–4.4)
2009 15/38 (39) 5/10 (50) 10/27 (37) 3.9 (3.8–4.1) 3.9 (3.7–4.7)
All 56/119 (47) 13/22 (59) 41/83 (49) 4.6 (3.9–5.2) 4.2 (3.8–5.0)

*Virus subtyping results were unavailable for 9 cases in 2006, 4 cases in 2007, and 1 case in 2009. IQR, interquartile range; NA, not applicable.

Main Article

1These authors contributed equally to this article.

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