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Volume 17, Number 4—April 2011

Dispatch

Recent Clonal Origin of Cholera in Haiti

Afsar Ali, Yuansha Chen, Judith A. Johnson, Edsel Redden, Yfto Mayette, Mohammed H. Rashid, O. Colin Stine, and J. Glenn MorrisComments to Author 
Author affiliations: Author affiliations: University of Florida, Gainesville, Florida, USA (A. Ali, Y. Chen, J.A. Johnson, E. Redden, M.H. Rashid, J.G. Morris, Jr); Saint Mark’s Hospital, Arbonite, Haiti (Y. Mayette); University of Maryland College of Medicine, Baltimore, Maryland, USA (O.C. Stine)

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Table

Distribution of Vibrio cholerae variable-number tandem-repeat sequence types among 16 patients with severe diarrhea, Haiti, 2010*

Pattern Patient no. and distribution
A = 8,4,6,13,36 P1 = 20/20, P2 = 18/18, P4 = 4/19, P6 = 1/20, P7 = 15/20, P9 = 19/19, P12 = 11/11, P17 = 1/1, P18 = 19/19
B = 8,4,6,13,38 P6 = 1/20
C = 8,4,6,13,34 P4 = 7/19
D = 8,4,6,13,35 P4 = 4/19
E = 8,4,6,13,37 P6 = 18/20, P14 = 1/1, P15 = 20/20, P20 = 1/1
F = 8,4,6,12,37 P8 = 2/18
G = 8,4,6,12,36 P8 = 16/18
H = 10,4,6,13,35 P4 = 4/19
I = 8,4,6,14,36 P7 = 5/20

*Numbers represent number of repeats for the 5 alleles tested (VC0147, VC0436–7, VC1650, VCA0171, and VCA0283). A is the dominant sequence type, identified in 9 of 16 patients for whom variable-number tandem-repeat data were available. One sequence type was found for 6 of 9 patients for whom multiple isolates were typed.

*Numbers represent number of repeats for the 5 alleles tested (VC0147, VC0436–7, VC1650, VCA0171, and VCA0283). A is the dominant sequence type, identified in 9 of 16 patients for whom variable-number tandem-repeat data were available. One sequence type was found for 6 of 9 patients for whom multiple isolates were typed.

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