Epidemiology Update Period Ending 1st Quarter 2019 Byron Minas and - - PowerPoint PPT Presentation

STI, BBV & HIV Epidemiology Update Period Ending 1st Quarter 2019

Byron Minas and Kellie Mitchell Communicable Disease Control Directorate Department of Health

Number of chlamydia, gonorrhoea, unspecified hepatitis B & unspecified hepatitis C notifications in WA by time period

2 11,518.2 2,696.0 555.8 981.4 11,287 3,160 509 990 11,608 3,668 476 857 2,000 4,000 6,000 8,000 10,000 12,000 14,000 Chlamydia Gonorrhoea Hepatitis B (Unspecified) Hepatitis C (Unspecified) Number of notifications Infection 5 Yr Mean 2017/2018 2018/2019 Infection Time period comparison 5 year mean Previous 12-month period Chlamydia Comparable Comparable Gonorrhoea 36% increase 16% increase Hepatitis B (unsp.) 14% decrease 6% decrease Hepatitis C (unsp.) 13% decrease 13% decrease

Number of infectious syphilis, newly acquired hepatitis B & newly acquired hepatitis C notifications in WA by time period

3 213.2 25.6 143.6 314 20 128 479 29 110 100 200 300 400 500 600 Infectious syphilis Hepatitis B (Newly acquired) Hepatitis C (Newly acquired) Number of notifications Infection 5 Yr Mean 2017/2018 2018/2019 Infection Time period comparison 5 year mean Previous 12-month period Infectious syphilis Doubled 53% increase Hepatitis B (new acq.) Comparable Comparable Hepatitis C (new acq.) 23% decrease 14% decrease

Number of infectious syphilis notifications by exposure category and time period

4

128.2 31.4 4.0 7.0 38.8 2.2 188 53 11 11 47 2 212 80 19 14 142 6

50 100 150 200 250 MSM Heterosexual Unknown MSM Heterosexual Unknown Metro Non-metro Number of notifications Area and exposure category 5 yr mean 2017/2018 2018/2019

Number of infectious syphilis notifications in the metropolitan area by exposure category and time period

5

0.6 0.0 1.8 1.4 0.0 20.6 4.0 126.4 8.8 0.8 5 1 38 11 183 14 1 1 3 5 3 46 16 207 30 3

50 100 150 200 250 Male hetero Male unknown MSM Female Transsexual Male hetero Male unknown MSM Female Transsexual Aboriginal Non-Aboriginal Number of notifications Aboriginality and exposure category 5 yr mean 2017/2018 2018/2019

Proportion of infectious syphilis notifications in the metropolitan area by exposure category and time period

6

85% 80% 80% 74% 68% 12% 11% 12% 15% 15% 1% 7% 5% 6% 11%

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2014/2015 2015/2016 2016/2017 2017/2018 2018/2019 Proportion of notifications Time period MSM Male heterosexual Female

Syphilis testing, notification and test positivity rate among metropolitan females by time period

7 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 5 10 15 20 25 30 35 40 45 50 2014/2015 2015/2016 2016/2017 2017/2018 2018/2019 Test positivity rate per 1,000 tests Testing rate per 1,000 population Notification rate per 100,000 population Time period Testing rate per 1,000 population Notification rate per 100,000 population Test positivity rate per 1,000 tests

Number of infectious syphilis notifications among Aboriginal people in the endemic area by region and time period

8 5 10 15 20 25 Apr Jun Aug Nov Jan Mar May Jul Sep Nov Jan Mar Jun Aug Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun Aug Oct Dec Feb 2014 2015 2016 2017 2018 2019 Number of notifications Year and month Goldfields Kimberley Midwest Pilbara

Outbreak started in the Kimberley Outbreak started in the Pilbara Possible start of Goldfields outbreak

HIV

9

Number of HIV notifications in WA by time period

10 Time period comparison Previous 5-year mean (n=94.0) Previous 12-month period 24% decrease Stable

Crude HIV notification rate in WA by sex and time period

11

Number of HIV notifications in WA by exposure category and time period

12

13

Male heterosexual HIV notifications in WA by Quarter

Male Heterosexual HIV Cases Quarter 1, 2019 (n=13) 10 overseas-acquired 6 acquired in South-East Asia

Time from HIV diagnosis to treatment in WA

HIV notifications April 2018 to March 2019 (n=71)

14