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Volume 25, Number 7—July 2019
Research

Mitochondrial Junction Region as Genotyping Marker for Cyclospora cayetanensis

Fernanda S. Nascimento, John R. Barta, Julia Whale, Jessica N. Hofstetter, Shannon Casillas, Joel Barratt, Eldin Talundzic, Michael J. Arrowood, and Yvonne QvarnstromComments to Author 
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (F.S. Nascimento, J.N. Hofstetter, S. Casillas, J. Barratt, E. Talundzic, M.J. Arrowood, Y. Qvarnstrom); University of Guelph, Guelph, Ontario, Canada (J.R. Barta, J. Whale)

Main Article

Table 2

Distribution of Cyclospora cayetanensis mitochondrial junction types detected in epidemiologically linked samples, United States*

Collection state and year Epidemiologic known link to case cluster/outbreak Sample no. International travel within 2 weeks before symptom onset Cmt type
Maine 2014
 Maine temporospatial cluster†
 HCME548_14 No Cmt184.C
HCME550_14 No Cmt184.C
HCME552_14 No Cmt184.C
HCME298_14
 No
 Cmt184.C
Michigan 2014 Michigan event-associated cluster
 HCMI030_14 Unknown Cmt154.B
HCMI040_14 No Cmt184.D
HCMI029_14 No Cmt184.B
HCMI039_14 Unknown Cmt184.B
Pennsylvania 2014
 HCPA556_14 No Cmt184.B
HCPA962_14
 Unknown
 Cmt169.A
South Carolina 2014
 South Carolina temporospatial cluster†
 HCSC052_14 No Cmt154.A
HCSC053_14 No Cmt154.A
HCSC054_14
 No
 Cmt154.A
Texas 2015
 Mexican event-associated cluster HCTX208_15 Mexico/Tulum Cmt154.A
HCTX219_15 Mexico/Tulum Cmt154.A
HCTX220_15 Mexico/Tulum Cmt154.A
HCTX547_15 Mexico/Tulum Cmt154.A
Texas household cluster‡ HCTX354_15 Mexico/Riviera Maya Cmt154.A
HCTX355_15 Mexico/Riviera Maya Cmt154.A
Texas restaurant-associated cluster 2015-A HCTX353_15 No Cmt154.A
HCTX540_15 No Cmt154.B
HCTX551_15 No Cmt154.B
HCTX555_15 No Cmt154.B
Texas restaurant-associated cluster 2015-B HCTX356_15 No Cmt154.B
HCTX357_15 No Cmt154.B
Texas local business-associated cluster
 HCTX204_15 Mexico/Cozumel Cmt154.B
HCTX205_15 No Cmt154.B
HCTX206_15 No Cmt154.B
HCTX538_15
 No
 Cmt154.B
Wisconsin 2015
 Wisconsin restaurant-associated cluster 2015
 HCWI001_15 No Cmt154.A
HCWI003_15 No Cmt154.A
HCWI002_15 No Cmt169.B
HCWI004_15 No Cmt169.B
HCWI005_15 No Cmt169.B
HCWI006_15
 No
 Cmt169.B
Texas 2016 Texas restaurant-associated cluster 2016 HCTX471_16 No Cmt154.A
HCTX474_16 No Cmt154.A

*Cmt, Cyclospora mitochondrial junction.

†The terminology temporospatial cluster is used here for cases that were not linked to a particular establishment or event but were temporally and geographically clustered.

‡Case-patients were a married couple who traveled together to Riviera Maya, Mexico, during their incubation period. Because they did not spend the entire 14-d incubation period in Mexico, it is unclear whether they became infected in Texas or Mexico.

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Page created: June 17, 2019
Page updated: June 17, 2019
Page reviewed: June 17, 2019
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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