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Volume 12, Number 2—February 2006

Dispatch

Human Metapneumovirus, Peru

Gregory C. Gray*Comments to Author , Ana W. Capuano*, Sharon F. Setterquist*, Jose L. Sanchez†, James S. Neville‡, James Olson§, Mark G A Lebeck*, Troy McCarthy*, Yacine Abed¶, and Guy Boivin¶
Author affiliations: *University of Iowa College of Public Health, Iowa City, Iowa, USA; †US Military HIV Research Program, Rockville, Maryland, USA; ‡Air Force Institute for Operational Health, Brooks City-Base, Texas, USA; §US Navy Medical Research Center Detachment, Lima, Peru; ¶Centre Hospitalier Universitaire de Québec, Québec City, Québec, Canada

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Table 1

Prevalence and OR of RT-PCR positivity for HMPV by risk factor*

Risk factor n % RT-PCR–positive (95% CI) OR (95% CI)
Age group (y)† 0.9 (0.8–0.99)
<7 151 6 (2.8–11) 7.2 (1–319.4)
7–20 152 1.3 (0.2–4.7) 1.5 (0.1–90.5)
>20 115 0.9 (0–4.8) Reference
Unknown 2
Sex
Male 154 4.6 (1.9–9.1) 2.3 (0.5–14)
Female 148 2 (0.4–5.8) Reference
Unknown 118
Site
Peru 388 2.8 (1.4–5) Reference
Argentina 32 3.1 (0.1–16.2) 1.1 (0–8.1)
Season
Autumn‡ 106 6.6 (2.7–13.1) 4.3 (1.3–13.8)
Others 307 1.6 (0.5–3.8) Reference
Unknown 7

*OR, odds ratio, RT-PCR, reverse transcription–polymerase chain reaction; HMPV, human metapneumovirus; CI, confidence interval.
†Age as a continuous variable.
‡Autumn in the Southern Hemisphere was considered to be from March 22 to June 21, per Centro de Divulgacao Cientifica e Cultural, São Paulo University, Brazil.

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