Это два отдельных пункта в списке:
- Community groups — местные группы активистов.
- Addiction workers — специалисты, помогающие наркозависимым.

Контекст:
"...respondents generally felt that the draft Action Plan had identified the correct groups for education and awareness-raising activities, but they also proposed additional groups. These groups were considered either to be at high risk of having or acquiring the Hepatitis C virus, or were seen to have an important role in prevention, diagnosis, treatment, care and support.
...
• Families and partners of injectors and / or former injectors
• Community groups
• Addiction workers
• Those responsible for commissioning BBV prevention services
...".
Стр. 24 — http://www.dldocs.stir.ac.uk/documents/0031301.pdf

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"Addiction workers help to coordinate services and treatment for those in need, advocating for services that these individuals might not be able to access on their own. They also provide much needed support on a personal level".
https://www.trios.com/career/?Section=addiction-workers-and-...

"Treatment and support for Hepatitis C must involve input from a range of specialists, not only specialist medical and nursing staff, but also specialist social workers, pharmacists, dieticians, psychologists, blood-borne virus specialists, addiction workers, and services in the voluntary sector".
http://www.dldocs.stir.ac.uk/documents/0031301.pdf

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Пример community group — http://www.theayrshirecommunitytrust.co.uk/recovery-at-work

Community group — мед. группа активистов района.
https://www.multitran.ru/c/m.exe?l1=1&l2=2&s=Community group

Community — некие местности (общины) в Шотландии. Вот их список — http://www.scotland.police.uk/your-community/communities.

Department for Communities and Local Government — Министерство по делам общин и местного самоуправления.
https://www.multitran.ru/c/m.exe?a=3&s=local communities&sc=...