Prevalence of HIV, hepatitis B/C, syphilis infection among people who inject drugs in 2024 (data from SPHTDAA Laboratory, Sofia)

Prevalence of HIV, hepatitis B/C, syphilis infection among people who inject drugs (PWID) in 2024

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)Syphilis
Total number of PWID who were tested150150150149
Males99999999
Females49494948
No data2222
Number of PWID with a positive test result18310710
Males172765
Females11305
No data1
Proportion positive (%)12.0%2.0%71.3%6.7%
Males17.2%2.0%76.8%5.1%
Females2.0%2.0%61.2%10.4%
Note: PWID are defined as people who have injected drugs at some point in their life.

Prevalence of HIV, hepatitis B/C and syphilis infection among people who inject drugs (PWID) in 2024 (by age groups)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)Syphilis
Age <25
Number of PWID who were tested3333
Number of PWID with a positive test result0000
Proportion positive (%)0.0%0.0%0.0%0.0%
Age 25-34
Number of PWID who were tested18181818
Number of PWID with a positive test result2080
Proportion positive (%)11.1%0.0%44.4%0.0%
Age > 34
Number of PWID who were tested129129129128
Number of PWID with a positive test result1639910
Proportion positive (%)12.4%2.3%76.7%7.8%

Prevalence of HIV, hepatitis B/C and syphilis infection among people who inject drugs (PWID) in 2024 (by years since first injection)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)Syphilis
<2 years since first injection
Number of PWID who were tested3333
Number of PWID with a positive test result0000
Proportion positive (%)0.0%0.0%0.0%0.0
2 to 4 years since first injection
Number of PWID who were tested4444
Number of PWID with a positive test result0000
Proportion positive (%)0.0%0.0%0.0%0.0%
5 to 9 years since first injection
Number of PWID who were tested7777
Number of PWID with a positive test result0010
Proportion positive (%)0.0%0.0%24.3%0.0%
10 or more years since first injection
Number of PWID who were tested134134134133
Number of PWID with a positive test result18310610
Proportion positive (%)13.4%2.2%79.1%7.5%
No data2222

Prevalence of HIV, hepatitis B/C and syphilis infection among people who inject drugs (PWID) in 2024 (by primary drug)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)Syphilis
PWID with primary drug opioids
Number of PWID who were tested131131131130
Number of PWID with a positive test result18310710
Proportion positive (%)13.7%2.3%81.7%7.7%
PWID with primary drug cocaine
Number of PWID who were tested9999
Number of PWID with a positive test result0000
Proportion positive (%)0.0%0.0%0.0%0.0%
PWID with primary drug stimulants other than cocaine
Number of PWID who were tested10101010
Number of PWID with a positive test result0000
Proportion positive (%)0.0%0.0%0.0%0.0%

Prevalence of HIV, hepatitis B/C and syphilis infection among people who inject drugs (PWID) in 2024 (by contact with drug treatment in the last 12 months)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)Syphilis
PWID who have been in contact with drug treatment services in the last 12 months
Number of PWID who were tested131131131131
Number of PWID with a positive test result18310510
Proportion positive (%)13.7%2.3%80.2%7.6%
PWID who have not been in contact with drug treatment services in the last 12 months
Number of PWID who were tested15151514
Number of PWID with a positive test result0020
Proportion positive (%)0.0%0.0%13.3%0.0%
PWID with missing information on drug treatment contact
Number of PWID who were tested4444
Number of PWID with a positive test result0000

Prevalence of HIV, hepatitis B/C and syphilis infection among people who inject drugs (PWID) in 2024 (by imprisonment)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)Syphilis
PWID ever in prison
Number of PWID who were tested1111
Number of PWID with a positive test result0000
Proportion positive (%)0.0%0.0%0.0%0.0%
PWID never in prison
Number of PWID who were tested28282827
Number of PWID with a positive test result3190
Proportion positive (%)10.7%3.6%32.1%0.0%
No data
Number of PWID who were tested121121121121
Number of PWID with a positive test result1529810

Source: State Psychiatric Hospital for Treatment of Drug Addiction and Alcoholism (SPHTDAA), Sofia, NFP, NCPHA