Rise in gonorrhoea in London, UK. London Gonococcal Working Group.

We report an alarming 34.9% overall increase in the number of gonococcal infections diagnosed during the same 3 month study period during 3 years. Between 1997 and 1998, an increase of 12.1% was detected, with a larger increase between 1998 and 1999, of 20.4%.