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Volume 32, Number 6—June 2026

Research

Antimicrobial-Resistant Neisseria gonorrhoeae of Public Health Concern, New South Wales, Australia, 2022–2024

Liz J. Walker1Comments to Author , Sebastiaan J. Van Hal1, Cecilia Li, Steven J. Nigro, Ellen Donnan, Nathan Ryder, Monica Lahra2, and Janaki Amin2
Author affiliation: NSW Health, St. Leonards, New South Wales, Australia (L.J. Walker, C. Li, S.J. Nigro, E. Donnan, N. Ryder, J. Amin); Royal Prince Alfred Hospital, Sydney, New South Wales, Australia (S.J. van Hal); The University of Sydney Central Clinical School, Sydney (S.J. van Hal); The University of Sydney Institute for Infectious Diseases, Sydney (E. Donnan); Prince of Wales Hospital and Community Health Services, Randwick, New South Wales, Australia (M.M. Lahra); University of New South Wales, Sydney (M.M. Lahra); Macquarie University, Sydney (J. Amin)

Main Article

Table 4

Summary of antimicrobial-resistant Neisseria gonorrhoeae cluster groups, New South Wales, Australia, 2022–2024*

Cluster ID Size MLST penA allele type X23 rRNA Sex at birth,
no. (%)		 Sexual risk
exposure group, no. (%)		 Place of acquisition, no. (%) SW or client
or SOPV, no. (%)		 No. contacts,
median (range)
22AZ-1
 2
 9363
 2.001
 A2059G
 2 M (100.0)
 2 MSM (100.0)
 2 OS (100.0)
 0
 Unknown
23AZ-1
 2
 11200
 2.001
 A2059G
 2 M (100.0)
 2 MSM (100.0)
 2 local (100.0)
 0
 2.5 (1–4)
24AZ-1
 13
 11200
 2.001
 A2059G
 13 M (100.0)
 12 MSM (92.3), 1 BI (7.7)
 13 local (100.0)
 2 (15.4)
 3.5 (1–30)
24AZ-2
 4
 11200
 2.001
 A2059G
 4 M (100.0)
 3 MSM (75.0), 1 BI (25.0)
 3 local (75.0), 2 OS (25.0)
 1 (25.0)
 9.0 (1–15)
22CRO-1
 13
 7827
 13.001
 NA
 5 F (38.5), 8 M (61.5)
 12 HET (92.3), 1 MSM (7.7)
 13 local (100.0)
 5 (38.5)
 1.0 (1–5)
22CRO-2
 2
 15331
 18.001
 NA
 2 M (100.0)
 2 MSM (100.0)
 2 local (100.0)
 0
 3.0†
23CRO-3
 2
 15331
 18.001
 NA
 2 M (100.0)
 2 MSM (100.0)
 2 local (100.0)
 0
 6.0†
24CRO-1
 5
 1901
 60.001
 NA
 2 F (40.0), 3 M (60.0)
 5 HET (100.0)
 5 local (100.0)
 2 (40.0)
 1.0 (1–2)
24CRO-2 3 9903 60.001 NA 3 M (100.0) 3 MSM (100.0) 2 local (66.6) 0 1.5 (1–2)
1 OS (33.3
Total 46 NA NA NA 7 F (15.2) 17 HET (37.0) 42 local (91.3) 10 (22.7) 2.0 (1–30)
39 M (84.8) 27 MSM (58.7), 2 BI (4.3) 4 OS (8.7)

*BI, bisexual; HET, heterosexual; ID, identification; local, Australia acquisition; MLST, multilocus sequence type; MSM, men who have sex with men; NA, not applicable; OS, overseas acquisition; SOPV, sex on premises venue; SW, sex worker. †Median number of contacts (based on 1 available value).

Main Article

1These first authors contributed equally to this article.

2These joint senior authors contributed equally to this article.

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Page updated: May 20, 2026
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