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Volume 28, Number 11—November 2022
Research

Genomic Epidemiology of Vibrio cholerae O139, Zhejiang Province, China, 1994–2018

Yun Luo, Julian Ye, Michael Payne, Dalong Hu, Jianmin Jiang1, and Ruiting Lan1Comments to Author 
Author affiliations: Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China (Y. Luo, J. Ye, J. Jiang); University of New South Wales, Sydney, New South Wales, Australia (Y. Luo, M. Payne, D. Hu, R. Lan); Key Laboratory of Vaccine, Hangzhou (J. Jiang)

Main Article

Table

Antimicrobial resistance gene profiles in 3 clusters of Vibrio cholerae O139 isolates from Zhejiang Province, China, 1994–2018, and in groups of isolates from outside of China

Gene Cluster or group, no. (%)
Cluster 1, n = 11 Cluster 2, n = 63 Cluster 3, n = 32 Lineage 1 non-China, n = 15 Other* non-China, n = 33
aph (3′′)-Ib 11 (100) 59 (93.65) 31 (96.88) 6 (40) 33 (100)
aph (6)-Id 11 (100) 59 (93.65) 31 (96.88) 6 (40) 33 (100)
dfrA18 11 (100) 35 (55.56) 29 (90.63) 1 (6.67) 33 (100)
sul2 11 (100) 63 (100) 32 (100) 5 (33.33) 33 (100)
varG† 11 (100) 63 (100) 32 (100) 15 (100) 33 (100)
catB9† 11 (100) 63 (100) 32 (100) 15 (100) 33 (100)
floR 11 (100) 59 (93.65) 31 (96.88) 6 (40) 33 (100)
blaTEM-1 0 61 (96.83) 0 0 0
aph(3′)-Ia 0 57 (90.48) 23 (71.88) 0 0
aadA2 0 56 (88.89) 5 (15.63) 0 0
catA2 0 56 (88.89) 4 (12.50) 0 0
tet(D) 0 55 (87.30 9 (28.13) 0 0
sul1 0 54 (85.71) 26 (81.25) 0 0
aac(3)-IId 0 53 (84.13) 0 0 0
mph(E) 0 52 (82.54) 2 (6.25) 0 0
msr(E) 0 52 (82.54) 2 (6.25) 0 0
mph(A) 0 0 22 (68.75) 0 0
tet(M) 0 0 21 (65.63) 0 0
dfrA12 0 2 (3.17) 21 (65.63) 0 0
tet (Y) 0 5 (7.94) 2 (6.25) 0 0
aac(6')-Ib-cr5 0 0 1 (3.13) 0 0
aadA16 0 0 4 (12.50) 0 0
aadA3 0 0 4 (12.50) 0 0
arr-3 0 0 4 (12.50) 0 0
blaCMY-2 0 0 1 (3.13) 0 0
blaOXA-1 0 0 1 (3.13) 0 0
catB3 0 0 1 (3.13) 0 0
dfrA27 0 0 4 (12.50) 0 0
dfrA32 0 0 1 (3.13) 0 0
ere(A) 0 0 1 (3.13) 0 0
mph(F) 0 0 1 (3.13) 0 0
qnrA1 0 0 3 (9.38) 0 0
qnrA7 0 0 1 (3.13) 0 0
tet(A) 0 0 4 (12.50) 0 0

*Isolates not grouped in lineage 1 and clusters 1–3 and not isolated in China (Appendix 1 Table 4). †Genes that have not been associated with phenotypic resistance, determined on the basis of published data up to now.

Main Article

1These authors contributed equally to this article.

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