The most recent statistics on sexually transmitted infections in Ireland are those published by the National Disease Surveillance Centre for the first two quarters of 2001. These statistics show that a total of 4,817 cases of STIs were notified in Ireland in the first six months of 2001. This compares with a total of 4,368 notifications in the first six months of 2000 and represents an increase of 10% in STI notifications. With regard to HIV-AIDS, the most recent available statistics published by the National Disease Surveillance Centre indicate that a total of 157 new cases of HIV were diagnosed in Ireland in the first six months of 2002.