The 95th Annual Meeting of Japanese Society for Bacteriology

Presentation information

On-demand Presentation

[ODP2] 1. Taxonomy / Epidemiology / Infectious diseases -b. Epidemiology and molecular epidemiology

[ODP-007] Antimicrobial resistance of Neisseria gonorrhoeae isolated in Okinawa in 2021

Hiroshi Nakao1, Akiko Uehara1, Toshiaki Nakada2, Tominobu Takara2, Daiki Kinjo1 (1Lab. Molec. Genetics, Sch. Health Sci., Univ. Ryukyus, 2Lifestyle Related Dis. Med. Ctr., Naha City Med. Assoc.)


Background: Gonorrhea is listed as one of the prioritized sexually transmitted infections (STIs) that requires global action for control. Neisseria gonorrhoeae (NG) has progressively developed resistance to many of previously effective antimicrobials. Because NG infections are not fully reportable in Japan, only limited data on disease epidemiology and antimicrobial susceptibility patterns are available. It is necessary to continuously investigate the antimicrobial susceptibility of NG. We report that of NG isolates in Okinawa compared with last year’s results.
Methods: NG isolates in Okinawa prefecture collected from January to October 2021 were identified by MALDI-TOF and HN-20 rapid Nissui, and tested for susceptibility to 7 drugs by standard agar dilution method according to Laboratory Standards Institute (CLSI) methods.
Results: Of the total 14 isolates, resistance susceptibility to CPFX were most common, of which 50.0 % showed resistant strains, as in last year. Four of antibiotics tested were effective, and the percentage of resistant strains degreased compared to last year.
Conclusions: Some strains were found to be resistant to CPFX, PCG, and TC, but were susceptible to the other four antibiotics. The resistance rate was lower than that of last year and the strains were susceptible to the drugs used in clinical practice.