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Volume 24, Number 8—August 2018
Dispatch

Capillaria Ova and Diagnosis of Trichuris trichiura Infection in Humans by Kato-Katz Smear, Liberia

Kerstin Fischer, Abakar Gankpala, Lincoln Gankpala, Fatorma K. Bolay, Kurt C. Curtis, Gary J. Weil, and Peter U. FischerComments to Author 
Author affiliations: Washington University School of Medicine, St. Louis, Missouri, USA (K. Fischer, K.C. Curtis, G.J. Weil, P.U. Fischer); National Public Health Institute of Liberia, Charlesville, Liberia (A. Gankpala, L. Gankpala, F.K. Bolay)

Main Article

Table 1

Comparison of sensitivity of Kato-Katz smear and quantitative PCR results for 778 stool samples tested for soil-transmitted helminths, Foya and Harper districts, Liberia

Site and species
 No. positive*
 Kato-Katz smear sensitivity, %
 qPCR sensitivity, %
 McNemar p value
Foya district, n = 353
Ascaris lumbricoides 34 91.2 17.6 <0.0001
Hookworm† 247 93.5 83.4 <0.0001
Trichuris trichiura 27 100 7.4 <0.0001
Schistosoma mansoni
 307
 89.9
 84.0
 0.0573
Harper district, n = 225
A. lumbricoides 180 90.6 98.9 0.0013
Hookworm† 99 65.7 89.9 0.0005
T. trichiura 86 59.3 94.2 0.0001

*Samples that tested positive by either method.
†Hookworm was Necator americanus. No Ancylostoma duodenale was detected.

Main Article

Page created: July 18, 2018
Page updated: July 18, 2018
Page reviewed: July 18, 2018
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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