The number of infections with penicillinase-producing Neisseria gonorrhoeae (PPNG) strains in Singapore has risen from three in 1976 to 1792 in 1979. In the latter year they formed 19.2% of all infections with gonorrhoea, and 1280 of the strains isolated were from female prostitutes. The prevalence of PPNG infections is analysed according to the different sections of the community and racial groups. Despite energetic control measures PPNG strains are not being contained within Singapore. Thus global dissemination from such a busy port and tourist centre is a real danger.
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