GBMSM	Gay, Bisexual, or other Men who have Sex with Men
GP	General Practitioner
HAV	Hepatitis A Virus
HBV	Hepatitis B Virus
HIV	Human Immunodeficiency Virus
HPV	Human Papillomavirus
LGBTQ+	Lesbian, Gay, Bisexual, Transgender, Queer, plus
NHS	National Health Service
NIHR	National Institute of Health and Care Research
PBA	Person-Based Approach
PrEP	Pre-Exposure Prophylaxis
STI	Sexually Transmitted Infection
UK	United Kingdom
UKHSA	UK Health Security Agency