Resistance to cirprofloxacin increased from 14 per cent in 2004 to 21.7 per cent in 2005, and resistance to penicillin rose from 11.4 per cent to 17.9 per cent during the same period.
Levels of antibiotic-resistant gonorrhoea increased most among homosexual men, accounting for 26.2 per cent of infections in 2004 to 42.4 per cent in 2005.