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Volume 32, Number 6—June 2026

Dispatch

Emergence of Ceftriaxone-Resistant Neisseria gonorrhoeae penA-60–Carrying Strains, Thailand, 2025

Rossaphorn KittiyaowamarnComments to Author , Pongsathorn Sangprasert1, Natnaree Girdthep1, Sirintra Pharanut1, Tawan Nongpian1, Thanakorn Arunngamwong1, Ruechakorn Kunkhajornphan1, Ismael Maatouk1, and Magnus Unemo1
Author affiliation: Bangrak STIs Center, Department of Disease Control, Ministry of Public Health, Bangkok, Thailand (R. Kittiyaowamarn, P. Sangprasert, N. Girdthep, S. Pharanut, T. Nongpian); Bhattamakun Hospital, Chonburi, Thailand (T. Arunngamwong); Patong Hospital, Phuket, Thailand (R. Kunkhajornphan); World Health Organization, Geneva, Switzerland (I. Maatouk); Örebro University, Örebro, Sweden (M. Unemo); University College London Institute for Global Health, London, UK (M. Unemo)

Main Article

Table 1

Characteristics of case-patients with gonorrhea caused by ceftriaxone-resistant Neisseria gonorrhoeae isolates, Thailand, January–April 2025*

Case no. Date Nationality/
notified province (city)		 Age, y Occupation Previous antimicrobial drug exposure Symptoms Travel history in past month Prior sexually transmitted infection No. partners in past 3 months
1
 2025 Jan
 Thai/
Chonburi (Pattaya)
 35
 Waiter
 Yes
(azithromycin 1 g twice)
 Urethral discharge, dysuria
 No
 No
 1 regular partner,
2 casual partners
(FSWs)
2
 2025 Feb
 Thai/
Chonburi (Pattaya)
 16
 Waiter
 Yes
(azithromycin 1 g twice)
 Urethral discharge, dysuria
 No
 No
 1 regular partner living in different location,
1 one-night-stand partner
3
 2025 Mar
 Russian/
Phuket
 55
 –
 –
 Urethral discharge, dysuria
 –
 –
 –
4
 2025 Mar
 Thai/
Chonburi (Pattaya)
 23
 Government official
 Yes
(quinolone
and then azithromycin 1 g)
 Urethral discharge, dysuria
 No
 Gonorrhea 10 y ago
 1 casual partner (FSW)
5 2025 Apr Chinese/
Chonburi (Pattaya)		 25 – Yes
(unknown antibiotic)		 Urethral discharge, dysuria – – 1 casual partner

*FSW, female sex worker; –, no data available.

Main Article

1These authors contributed equally to this article.

Page created: April 08, 2026
Page updated: May 08, 2026
Page reviewed: May 08, 2026
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