1. Sexually Transmitted Infections (STIs) in Ireland: Q1-Q2, 2017
Provisional Data
25th October, 2017

2. STIs in Ireland, Q1-Q2 2017 Provisional Data Acknowledgements
The Health Protection Surveillance Centre (HPSC) would like to thank all those who provided the data for this report, particularly the STI clinics, the infectious disease surveillance staff within the departments of public health, the laboratories and GP clinics.
STI data were extracted from CIDR on 24th October, 2017, and were correct at the time of publication.

3. STIs in Ireland, Q1-Q2, 2017 Provisional Data
These slides present provisional data on STIs notified to HPSC during Q1-Q via CIDR.
Following validation of data for all of 2017, a more detailed report on the epidemiology of STIs for 2017 will be produced.
Aggregate data on ano-genital warts (AGW) and non-specific urethritis (NSU) are reported to HPSC on a bi-annual basis from Depts. of Public Health and are reported separately.
HIV, hepatitis B and sexually transmitted enteric infections (STEI), such as shigellosis, are notified via CIDR and are reported separately.

4. STIs on the rise 6% increase compared to Q1-Q2, 2016 Chancroid -
2017
2016
% change N
Chancroid -
Chlamydia trachomatis infection
3,558
0.0
Gonorrhoea
1,018
858
+18.6
Granuloma inguinale
Herpes simplex (genital)
813
680
+19.6
Lymphogranuloma venereum (LGV) 6 31
-80.6
Syphilis (early infectious)
203
135
+50.4*
Trichomoniasis 33 40
-17.5
Total
5,631
5,302
+6.2
*The number of early infectious syphilis cases reported during Q1-Q is elevated when compared to data for Q1-Q due to an update to the laboratory criteria for notifying early infectious syphilis which increased the sensitivity of reporting from 1st July 2016 onwards.

5. Gender Distribution, Q1-Q2, 2017
More men than women

6. Age Distribution, Q1-Q2, 2017
More young people than older people

7. Mode of Transmission
Men who have sex with men (MSM) at highest risk

8. Burden of disease Who is most affected? Young people
69% of all STIs notified in Q1-Q2, 2017, were among those aged less than 30 years
Young adults (15-24 year olds) accounted for over half (51%) of chlamydia cases, 36% of herpes simplex cases and 42% of gonorrhoea cases notified in Q1-Q2, 2017
Men who have sex with men (MSM)
100% of LGV cases,
64% of syphilis cases, and
38% of gonorrhoea cases in Q1-Q2, 2017, were in MSM

9. Preventing STIs Safer sex Get tested regularly
Further information on free sexual health services is available at
Use condoms for vaginal, oral and anal sex
Reduce the number of partners and overlapping partners
the more partners you have, the greater your chance of coming into contact with an infected person

10. Further information Where to get more details
More detailed tables on these provisional data will be available on the HPSC website in 2018.
More detailed epidemiological reports will be available in Information on trends is available in previous annual epidemiological reports.
You can stay up-to-date with current STI data with the Weekly HIV & STI report.