Prevalence of HIV and hepatitis B/C infection among people who inject drugs in 2022 (data from SPHTDAA Laboratory, Sofia)

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2022

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
Total number of PWID who were tested262118262
Males19294192
Females702470
Number of PWID with a positive test result3821197
Males3017150
Females8447
Proportion positive (%)14.5%17.8%75.2%
Males15.6%18.1%78.1%
Females11.4%16.7%67.1%
Note: PWID are defined as people who have injected drugs at some point in their life.

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2022 (by age groups)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
Age <25
Number of PWID who were tested16816
Number of PWID with a positive test result014
Proportion positive (%)0.0%12.5%25.0%
Age 25-34
Number of PWID who were tested221522
Number of PWID with a positive test result3211
Proportion positive (%)13.6%13.3%50.0%
Age > 34
Number of PWID who were tested22495224
Number of PWID with a positive test result3518182
Proportion positive (%)15.6%18.9%81.25%

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2022 (by years since first injection)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
2 to <5 years since first injection
Number of PWID who were tested525
Number of PWID with a positive test result012
Proportion positive (%)0.0%50.0%40.0%
5 to <10 years since first injection
Number of PWID who were tested18918
Number of PWID with a positive test result206
Proportion positive (%)11.1%0.0%33.3%
10 or more years since first injection
Number of PWID who were tested237106237
Number of PWID with a positive test result3620189
Proportion positive (%)15.2%18.9%79.7%

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2022 (by primary drug)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
PWID with primary drug opioids
Number of PWID who were tested22696226
Number of PWID with a positive test result3618195
Proportion positive (%)15.9%18.75%86.3%
PWID with primary drug cocaine
Number of PWID who were tested555
Number of PWID with a positive test result121
Proportion positive (%)20.0%40.0%20.0%
PWID with primary drug stimulants other than cocaine
Number of PWID who were tested221022
Number of PWID with a positive test result010
Proportion positive (%)0.0%10.0%0.0%
PWID with primary drug other
Number of PWID who were tested767
Number of PWID with a positive test result000
Proportion positive (%)0.0%0.0%0.0%

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2022 (by contact with drug treatment in the last 12 months)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
PWID who have been in contact with drug treatment services in the last 12 months
Number of PWID who were tested20778207
Number of PWID with a positive test result3518182
Proportion positive (%)16.9%23.1%87.9%
PWID who have not been in contact with drug treatment services in the last 12 months
Number of PWID who were tested463346
Number of PWID with a positive test result3312
Proportion positive (%)6.5%9.1%26.1%
PWID with missing information on drug treatment contact
Number of PWID who were tested979
Number of PWID with a positive test result003

Prevalence of HIV and hepatitis B/C infection among people who inject drugs (PWID) in 2022 (by imprisonment)

HIV (anti-HIV)Hepatitis В (HbsAg) Hepatitis С (anti-HCV)
PWID ever in prison
Number of PWID who were tested424
Number of PWID with a positive test result214
Proportion positive (%)50.0%50.0%100.0%
PWID never in prison
Number of PWID who were tested21593215
Number of PWID with a positive test result2517160
Proportion positive (%)11.6%18.3%74.4%
PWID with missing information on prison history
Number of PWID who were tested432343
Number of PWID with a positive test result11333

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