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Volume 26, Number 8—August 2020
Research

CrAssphage as a Novel Tool to Detect Human Fecal Contamination on Environmental Surfaces and Hands

Geun Woo ParkComments to Author , Terry Fei Fan Ng, Amy L. Freeland, Vincent C. Marconi, Julie A. Boom, Mary A. Staat, Anna Maria Montmayeur, Hannah Browne, Jothikumar Narayanan, Daniel C. Payne, Cristina V. Cardemil, Aimee Treffiletti, and Jan Vinjé
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (G.W. Park, T.F.F. Ng, A.L. Freeland, J. Narayanan, D.C. Payne, C.V. Cardemil, A. Treffiletti, J. Vinjé); Atlanta Veteran Administration Medical Center, Atlanta (V.C. Marconi); Emory University School of Medicine, Atlanta (V.C. Marconi); Texas Children’s Hospital, Houston, Texas, USA (J.A. Boom); Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA (M.A. Staat); Cherokee Nation Assurance, Arlington, Virginia, USA (A.M. Montmayeur); Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA (H. Browne)

Main Article

Figure 1

Phylogenetic relationships and pairwise sequence comparison of crAssphage strains from swab samples collected during norovirus outbreaks on cruise ships. A) Phylogeny of crAssphage on cruise ships, showing ship and source for each strain. Inset shows position of cruise ship strains among reference strains; scale bar indicates number of nucleotide changes between sequences. B) Color-coded pairwise identity matrix for crAssphage strains. Each cell includes the percentage identity among 2 sequence

Figure 1. Phylogenetic relationships and pairwise sequence comparison of crAssphage strains from swab samples collected during norovirus outbreaks on cruise ships. A) Phylogeny of crAssphage on cruise ships, showing ship and source for each strain. Inset shows position of cruise ship strains among reference strains; scale bar indicates number of nucleotide changes between sequences. B) Color-coded pairwise identity matrix for crAssphage strains. Each cell includes the percentage identity among 2 sequences (horizontally to the left and vertically at the bottom). Key indicates pairwise identity percentages.

Main Article

Page created: May 07, 2020
Page updated: July 17, 2020
Page reviewed: July 17, 2020
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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