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Dr Sara Day has been a Consultant in Sexual Health and HIV at Chelsea and Westminster Hospital Trust since 2006. Prior to this she worked at Bart’s and the London Hospitals NHS Trust, was Medical Director at Mildmay Mission Hospital, London and completed specialty training at Guy’s and St Thomas’ Hospital NHS Foundation Trust.
Sara has been the Consultant Lead for SHL.UK since the service launched in 2018 as well as some contracts outside London (SH.UK). She has been responsible for the clinical governance of SHL.UK and has driven and led on the expansion and clinical adaptations/iterations of the service, including during the COVID 19 pandemic.
Roles and responsibilities at SHL
- Accountability for clinical governance of SHL
- Design/creation of all clinical pathways and questionnaires underpinning the service
- Safeguarding of service users
- Oversee management of abnormal results
- Clinical web content
- Evaluation and research
- Support tender submissions for contracts
Roles and responsibilities at CWFT NHS
- Sexual health outpatient care
- Outpatient care for people living with HIV
- Contraception provision including intrauterine device and subdermal implants
- Complex contraceptive care/procedures, including pelvic ultrasound
- Faculty Registered Trainer (College of Sexual and Reproductive Health)
- Educational and Clinical supervision for doctors and allied staff
- Trust appraiser
- STI Foundation registered trainer
- Founder/Consultant overseeing Klick digital pathway for people living with HIV
- Support tender submissions for contracts
Specialist areas
- Sexually transmitted infections
- HIV medicine
- Complex contraceptive care / procedures and ultrasound
- Digitalisation of clinical pathways
- Innovation in sexual health, HIV and contraceptive care in terms of patient experience and service efficiencies
Qualifications and memberships
- Good Clinical Practice.
- Specialist Study Module in Ultrasound (Faculty of Reproductive and Sexual Health)
- Faculty Registered Trainer (College of Sexual and Reproductive Health)
- Postgraduate Aware in Medical Education. Keele University
- Letters of competence in Intrauterine techniques
- Letter of competence in Sub-dermal implant
- Certificate Completion Specialist Training in Genitourinary and HIV medicine
- Diploma in Genitourinary Medicine, Society of Apothecaries.
- Diploma of the Faculty of Sexual and Reproductive Health
- Membership of the Royal College of Physicians
- Bachelor of Medicine and Surgery, University of Birmingham School of Medicine
Professional memberships
- British Association for Sexual Health and HIV (BASHH)
- British HIV Association (BHIVA)
- College of Sexual and Reproductive Health
- Royal College of Physicians
Guideline authorship and committee groups
- Current: BASHH EPR working group
- Served two terms as Regional representative for BASHH Clinical Governance committee
- Served two years as Secretary for BASHH Information Governance committee
Publications since 2020 pertaining to SHL/sexual health
Virtual reality (VR) use during intrauterine device (IUD) procedures: evaluating uptake and impact on anxiety, pain and satisfaction – a London experience. Jessica Collins, Nicole Alexiuk, Joanna Burgess, Gurmit Jagjit Singh, Kimberley Forbes, Praveen Jayadeva, Sara Day. Submitted BMJSRH Nov 2025.
Factors associated with the online postal self-sampling testing cascade in England, 2022: a retrospective observational study of routinely collected service-level healthcare data Submitted Sexually Transmitted Infections Nov 2025.
Sherringham J, Wong G, Spence T, et al. The impacts of introducing online postal self-sampling for sexually transmitted infections on the sustainability and equity of sexual health systems: lessons learned from a multi-method UK-wide realist evaluation. BMJ Digital Health and AI. 2025 In press.
Gibbs J, Stirrup O, Tostevin A, et al. Sexually transmitted infection testing and key outcomes following implementation of online postal self-sampling into sexual health services in England: a retrospective observational study of routinely collected service-level healthcare data. Lancet Reg Health Eur. 2025 Nov 29;61:101541. doi: 10.1016/j.lanepe.2025.101541. PMID: 41403647; PMCID: PMC12704373.
Day S, Rae C, McOwan A, et al. Patient evaluation of Klick, a technology-enabled, nurse-delivered HIV outpatient pathway. HIV Med. 2025 Jan;26(1):128-139. doi: 10.1111/hiv.13710. Epub 2024 Sep 15. PMID: 39279040; PMCID: PMC11725411.
Day S, Wilkins R, Murungi A, et al. Clinical Outcomes of a Nurse-Delivered, Technology-Enabled HIV Outpatient Model. J Int Assoc Provid AIDS Care. 2024 Jan-Dec;23:23259582241274304. doi: 10.1177/23259582241274304. PMID: 39295482; PMCID: PMC11440533.
Tittle V, Day SL, Tostevin A, et al. An evaluation of an online STI service across London: reviewing uptake, utility and outcomes over a 4-year period. Sex Transm Infect. 2025 Jan 29;101(1):41-48. doi: 10.1136/sextrans-2024-056232.
Caoimhe C, Spate J, Day S. Improving awareness and uptake of pre-exposure HIV prophylaxis amongst service users accessing Sexual Health London, a regional online postal sexually transmitted infection testing health service. Int J STD AIDS. 2024 May;35(6):471-476. doi: 10.1177/09564624241231630. Epub 2024 Feb 1. PMID: 38300848.
Day SL, McDonald G, Kellett C. Hepatitis B and hepatitis C testing outcomes among service users of Sexual Health London: an online sexually transmitted infection testing service for London residents. Sex Transm Infect. 2024 Jul 26;100(5):318-320. doi: 10.1136/sextrans-2023-055916. PMID: 38050172.
Day SL, Collins J, Spate J, Jones S, Ashano E, Asboe D. Syphilis prevalence among a large regional online postal self-sampling STI testing service (OPSS). Sex Transm Infect. 2024 Dec 4:sextrans-2024-056309. doi: 10.1136/sextrans-2024-056309.
Spence, T., Howarth, A., Reid, D. et al. How does online postal self-sampling (OPSS) shape access to testing for sexually transmitted infections (STIs)? A qualitative study of service users. BMC Public Health 24, 2339 (2024).
Day S, Kellett C, Jones S. Domestic abuse and violence reporting by service users of an online sexually transmitted infection testing service, during the Coronavirus-19 pandemic. Int J STD AIDS. 2023 Apr;34(5):328-331. doi: 10.1177/09564624221150961. Epub 2023 Jan 10. PMID: 36627226; PMCID: PMC9836836.
Pitt-Kendall R, Foster C, Rayment M, et al. Retrospective testing for mpox virus in routine STI screens from men who have sex with men in England, August-October 2022. Sex Transm Infect. 2023 Dec;99(8):548-551. doi: 10.1136/sextrans-2023-055841. Epub 2023 Aug 3. PMID: 37536929.
Day S, Smith J, Perera S, Jones S, Kinsella R. Beyond the binary: sexual health outcomes of transgender and non-binary service users of an online sexual health service. Int J STD AIDS. 2021 Sep;32(10):896-902. doi: 10.1177/0956462420982830. Epub 2021 Jun 9. PMID: 34106795.
Day S, Khan K, Kelly AM, Jones S, Kinsella R. Characteristics of newly diagnosed HIV-positive service users using a pan-London e-sexually transmitted infection screening service. International Journal of STD & AIDS. 2021;32(11):1036-1042. doi:10.1177/09564624211014729
Day S, Singh GJ, Jones S, Kinsella R. Sexual assault reporting amongst users of online sexual health services. International Journal of STD & AIDS. 2021;32(3):280-285. doi:10.1177/0956462420963940.
Day S, Kinsella R, Jones S, Tittle V, Suchak T, Forbes K. Safeguarding outcomes of 16 and 17-year-old service users of Sexual Health London (SHL.uk), a pan-London online sexual health service. International Journal of STD & AIDS. 2020;31(14):1373-1379. doi:10.1177/0956462420933462