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Volume 11, Number 9—September 2005
Letter

Asymptomatic Yersinia pestis Infection, China

Min Li*1, Yajun Song†1, Bei Li†, Zuyun Wang*, Ronghai Yang*, Lingxiao Jiang†, and Ruifu Yang†Comments to Author 
Author affiliations: *Qinghai Institute for Endemic Diseases Prevention and Control, Xining, People's Republic of China; †Beijing Institute of Microbiology and Epidemiology, Beijing, People's Republic of China

Main Article

Table

Analysis of sera for plague antibody by 3 methods

Method* Marmot hunter population, no. positive/no. tested (%)
 Population from nonendemic areas, no. positive/no. tested (%)
Male Female Total Male Female Total
PHA 16/68 (23.5) 1/52 (1.9) 17/120 (14.2) 0/60 (0) 0/59 (0) 0/119 (0)
WB 25/68 (36.8) 1/52 (1.9) 26/120 (21.7) 3/60 (5.0) 1/59 (1.7) 4/119 (3.4)
PMA 25/68 (36.8) 1/52 (1.9) 26/120 (21.7) 3/60 (5.0) 1/59 (1.7) 4/119 (3.4)

*PHA, passive hemagglutination assay; WB, Western blot; PMA, protein microarray analysis.

Main Article

1These authors contributed equally to this study.

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