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Volume 30, Number 7—July 2024
Dispatch

Body Louse Pathogen Surveillance among Persons Experiencing Homelessness, Canada, 2020–2021

Carl BoodmanComments to Author , Leslie R. Lindsay, Antonia Dibernardo, Kathy Kisil, Heather Coatsworth, Chris Huynh, Amila Heendeniya, John Schellenberg, and Yoav Keynan
Author affiliations: Institute of Tropical Medicine, Antwerp, Belgium (C. Boodman), University of Antwerp, Belgium (C. Boodman); University of Manitoba, Winnipeg, Manitoba, Canada (C. Boodman, A. Heendeniya, J. Schellenberg, Y. Keynan); Public Health Agency of Canada, Winnipeg (L.R. Lindsay, A. Dibernardo, H. Coatsworth, C. Huynh); Access Downtown, Winnipeg (K. Kisil)

Main Article

Table 2

Testing of fourth instar body lice pools, divided by sex and associated C) for 3 Bartonella genes, from a person experiencing homelessness in Winnipeg, Manitoba, Canada*

Pool No. lice/pool Sex Ct values
Bartonella ITS3 gene B. quintana yopP gene B. quintana fabB gene
8 6 Female 21.5 23.1 22.7
9 7 Female 24.2 25.2 24.9
10 7 Female 24.6 25.8 25.4
11 7 Female 24.8 25.7 25.5
12 7 Female 25.6 26.6 26.3
13 7 Male 27.2 28.1 27.6
14 7 Male 27.6 27.4 27.2
15 7 Male 25.2 26.1 25.7
16 7 Male 27.6 28.6 28.2
17 8 Male 28.1 29.1 28.6

*Genes used to determine species identities: PHUM540560, body lice gene distinguishing body lice from head lice; ITS3, internal transcribed spacer, identifies Bartonella to genus level; yopP, hypothetical intracellular effector gene, identifies B. quintana to species; fabB, 3-oxoacyl-synthase gene, identifies B. quintana to species; rpoB, RNA polymerase β subunit gene, identifies Acinetobacter spp.

Main Article

Page created: May 14, 2024
Page updated: June 22, 2024
Page reviewed: June 22, 2024
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