SESSION 1: BASIC SCIENCE FOR BACTERIAL STIS
| O01.1 | Simon Houston | Identification and Functional Characterization of Antimicrobial Peptides from Treponema pallidum | |
| O01.2 | Jairo Montezuma-rusca | Pyrococcus furiosus thioredoxin as a platform to express extracellular loops of Treponema pallidum outer membrane proteins | |
| O01.3 | Sean Waugh | An Integrative Omics Approach to Understanding Host Cellular Responses to Treponema pallidum | |
| O01.4 | Kelly Hawley | The global Treponema pallidum OMPeome: a structural platform for deciphering stealth pathogenicity and developing a syphilis vaccine with worldwide efficacy | |
| O01.5 | Gwendolyn Wood |
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| O01.6 | Mark Fernandez | A Chlamydia trachomatis inclusion membrane protein blocks interferon gamma stimulated immunity in humans and nonhuman primates |
| O01.7 | Lorenzo Giacani | At Long Last: Genetic Engineering of Treponema pallidum subsp. pallidum, the Syphilis Spirochete |
| O01.8 | Matthew Beale | Contemporary syphilis is characterised by rapid global spread of pandemic Treponema pallidum lineages |
SESSION 2: VAGINAL MICROBIOTA
| O02.1 | Pawel Laniewski | Cervicovaginal microbiota species distinctly modulate the immunometabolic microenvironment in a human three-dimensional cervical model |
| O02.2 | Erica Plummer | The impact of concurrent partner treatment for bacterial vaginosis on the genital microbiota of heterosexual couples: a pilot study |
| O02.3 | Shaelen Konschuh | Reclassification of Atopobium vaginae as three novel Fannyhessea species: implications for understanding their role in bacterial vaginosis |
| O02.4 | Kaitlin Zinsli | Relationship between three novel bacterial vaginosis (BV) associated bacteria and nongonococcal urethritis in men who have sex with women |
| O02.5 | Karen Lithgow | Secreted Proteolytic Activity of Bacterial Vaginosis-Associated Bacteria |
| O02.6 | Kayla Carter | Associations between vaginal bacteria and bacterial vaginosis signs and symptoms: a comparative study of Kenyan and American cisgender women |
SESSION 3: BACTERIAL VAGINOSIS
| O03.1 | Rodman Turpin | Bacterial Vaginosis and Behavioral Factors Associated with Incident Pelvic Inflammatory Disease in the Longitudinal Study of Vaginal Flora |
| O03.2 | Eric Armstrong | The short-term immune impact of bacterial vaginosis treatment is unrelated to Lactobacillus spp. abundance |
| O03.3 | Jonathan Ross | Intravaginal lactic acid gel versus oral metronidazole for treating women with recurrent bacterial vaginosis: the VITA randomised controlled trial |
| O03.4 | Laura Phillips | The vaginal microbiome and development of pelvic inflammatory disease: a prospective study using 16S rRNA long-read sequencing. |
| O03.5 | Harold Wiesenfeld | PID Treatment and Mycoplasma genitalium (MG): The Impact of Vaginal Dysbiosis |
| O03.6 | Erica Lokken | Vaginal washing behavior and fecundability in Kenyan women planning pregnancies |
SESSION 4: COVID – EPIDEMIOLOGY & HEALTH SERVICES IMPACTS
| O04.1 | Rayner Kay Jin Tan | The Impact of the Coronavirus Disease (COVID-19) on the Health and Social Needs of Sex Workers in Singapore |
| O04.2 | Maria Xiridou | The impact of COVID-19 and associated response measures on STI transmission among MSM: a mathematical modelling study |
| O04.3 | Regina Maithufi | The Impact of the COVID-19 pandemic on STI services in the Eastern Cape Province of South Africa |
| O04.4 | Emily Dema | Measuring impacts of COVID-19 on sexual and reproductive health service use in Britain: findings from a large, quasi-representative survey (Natsal-COVID) |
| O04.5 | Mark Gilbert | Impacts of the COVID-19 pandemic on accessing needed sexual health services during March–July 2020 in British Columbia (BC), Canada |
| O04.6 | Heather Pedersen | Increased use of internet-based testing for sexually-transmitted and bloodborne infections during the COVID-19 pandemic in British Columbia, Canada |
SESSION 5: COVID – BEHAVIORAL IMPACTS
| O05.1 | Pam Sonnenberg | Investigating intimate physical contact between partners from different households during the COVID-19 pandemic: findings from a large, quasi-representative survey (Natsal-COVID). |
| O05.2 | David Reid | A mixed-method investigation into challenges in accessing sexual and reproductive health (SRH) services in Britain during the COVID-19 pandemic (Natsal-COVID) |
| O05.3 | Kirstin Mitchell | Early impacts of COVID-19 on sex life and relationship quality: Findings from a large British quasi-representative online survey (Natsal-COVID) |
| O05.4 | Philippe C. G. Adam | Changes in MSM’s sexual activity, PrEP use, and access to HIV/STI testing during and after the first Dutch COVID-19 lockdown |
| O05.5 | Catherine Mercer | Early impacts of the COVID-19 pandemic on sexual behaviour in Britain: findings from a large, quasi-representative survey (Natsal-COVID) |
| O05.6 | Karen Maxwell | Sexual contact with partners outside of household during the COVID-19 pandemic: Investigating motivations and decision-making using Natsal-COVID data |
SESSION 6: SYPHILIS CLINICAL
| O06.1 | Janet Towns | Oral and anal Treponema pallidum detection in men who have sex with men with early infectious syphilis: a cross-sectional study. |
| O06.2 | Brandon Christensen | SYPHILIS NOT ASSOCIATED WITH NEUROCOGNITIVE OUTCOMES IN PEOPLE LIVING WITH HIV IN ONTARIO CANADA |
| O06.3 | Silvia Nieuwenburg | Developing a symptom-based risk score for infectious syphilis among men who have sex with men |
| O06.4 | Silvia Nieuwenburg | Detection of Treponema pallidum DNA at various body locations as a proxy for infectiousness |
| O06.5 | Cheng Wang | Expanding syphilis test uptake using rapid dual self-testing for syphilis and HIV among MSM: a randomized controlled trial in China |
| O06.6 | Jason Wong | Refreshing the British Columbia Syphilis Control Strategy: Thematic Analysis of a Multi-Stakeholder Consultation Process |
SESSION 7: SYPHILIS EPIDEMIOLOGY
| O07.1 | Hélène Zondag | Treponema pallidum intra-patient homogeneity between various body locations in patients with infectious syphilis |
| O07.2 | Anna Maria Geretti | The association between a diagnosis of syphilis and hepatitis B surface antigen (HBsAg) positivity in primary care |
| O07.3 | Allan Pillay | Molecular investigation of Treponema pallidum strains associated with ocular syphilis in the United States |
| O07.4 | Arlene C. Seña | Intersection of Syphilis and HIV Networks to Identify Opportunities to Enhance HIV Prevention in North Carolina, United States |
| O07.5 | Laura Staritsky | Frequency and predictors of repeat infectious syphilis infections in men who have sex with men in the Netherlands |
| O07.6 | Arlene C. Seña | Establishing a global consortium for syphilis vaccine development: patient enrollment and sample procurement for Treponema pallidum genome and OMPeome sequencing |
SESSION 8: GONORRHOEA EPIDEMIOLOGY
| O08.1 | Connor Allen | Oropharyngeal gonorrhoea infections among females and heterosexual males with genital gonorrhoea attending a sexual health clinic in Melbourne, Australia |
| O08.2 | Antonis Tofias | Can a rapid STI sexual health service reduce gonococcal culture testing without reducing culture sensitivity? A service evaluation. |
| O08.3 | Stephanie Mclaughlin | Disseminated Gonococcal Infection (DGI) in Seattle-King County, Washington (WA), 2006-2020 |
| O08.4 | Karen Schlanger | Strengthening the U.S. Response to Resistant Gonorrhea (SURRG): A program to enhance local antibiotic resistant gonorrhea preparedness capacity |
| O08.5 | Janneke Heijne | Impact of increased asymptomatic testing for gonorrhoea among MSM on PrEP on the transmission and development of antimicrobial resistance |
| O08.6 | Jolinda de Korne-Elenbaas | Assessing within-host genetic variation in Neisseria gonorrhoeae at different anatomical locations and over time |
SESSION 9: GONORRHOEA EPIDEMIOLOGY AND ANTIMICROBIAL RESISTANCE
| O09.1 | Maartje Visser | Trends and regional differences of Neisseria gonorrhoeae antimicrobial resistance in the Netherlands, 2013-2019 |
| O09.2 | Emily Rowlinson | Lack of association between azithromycin-resistant Neisseria gonorrhoeae infection and prior exposure to azithromycin among persons attending a Sexual Health Clinic |
| O09.3 | Sancta St. Cyr | Gonococcal pharyngeal susceptibility to ceftriaxone, cefixime and azithromycin among men and women in eGISP, 2018 – 2020 |
| O09.4 | Ian Spicknall | Changes in gonococcal incidence, screening, and reporting as explanations for increased gonococcal case reports between 2008 and 2018, United States. |
| O09.5 | Emily Learner | Characteristics of People with Gonorrhea with Reduced Azithromycin Antimicrobial Susceptibility in 8 Jurisdictions in the United States, 2018–2019 |
| O09.6 | Anastasia Unitt | Typing outer membrane vesicle proteins of Neisseria gonorrhoeae provides insight into antimicrobial resistance. |
SESSION 10: CHLAMYDIA EPIDEMIOLOGY
| O10.1 | Nicole Dukers-Muijrers | Incident urogenital and anorectal Chlamydia trachomatis in women: the role of sexual exposure and auto-inoculation; a multicentre observational study (FemCure) |
| O10.2 | Bernice Hoenderboom | The Netherlands Chlamydia Cohort Study: Adverse pregnancy outcomes in women with and without a previous chlamydia infection |
| O10.3 | Megan Clare Craig-kuhn | Community context and individual behavior pathways to chlamydia infection among young Black men |
| O10.4 | Christine Khosropour | Incidence and duration of pharyngeal Chlamydia trachomatis (CT) among a cohort of men who have sex with men (MSM) |
| O10.5 | Monica Surette | Repeated, low dose Chlamydia infections trigger aberrant immune responses and enhanced tissue pathology |
| O10.6 | Xianglong Xu | The role of saliva as a lubricant for masturbation for transmitting Chlamydia trachomatis in men who have sex with men |
SESSION 11: STI TREATMENT
| O11.1 | Duygu Durukan | Tolerability of topical imiquimod against high-risk human papillomavirus infection in men-who-have-sex-with-men living with HIV |
| O11.2 | Andrew Lau | Treatment efficacy of 1g azithromycin versus 100mg doxycycline bi-daily for seven days for asymptomatic rectal Chlamydia trachomatis |
| O11.3 | Joyce Braam | Clinical improvement after treatment for urethritis: the role of Mycoplasma genitalium |
| O11.4 | Jason Ong | Impact of screening of Mycoplasma genitalium and its macrolide resistance in men who have sex with men living in Australia |
| O11.5 | Irith De Baetselier | Heterogeneity of Mycoplasma genitalium resistance to macrolides and fluoroquinolones among men who have sex with men initiating PrEP in West-Africa |
| O11.6 | Winston Abara | Acceptability of a potential gonococcal vaccine among sexually-active men who have sex with men ─ American Men’s Internet Survey, 2019 |
SESSION 12: HIV
| O12.1 | Xianglong Xu | Use of machine learning algorithms to assess the risk of acquisition of HIV and sexually transmitted infections |
| O12.2 | Phillip Keen | A novel analysis of NSW HIV surveillance data to highlight HIV prevention program impact and gaps |
| O12.3 | Ard Van Sighem | The Netherlands on track to achieve UNAIDS’ ‘95-95-95’ HIV targets for 2025 in all STI surveillance regions |
| O12.4 | Aneeka Ratnayake | Diagnosis of Learning Disability is Associated with Approximately 2-Fold Increase in Neurocognitive Impairment in People Living with HIV |
| O12.5 | Claire Reynolds | Respecting donors protecting recipients: introducing the FAIR approach to MSM blood donor selection policy |
| O12.6 | Hope King | Minority HIV/AIDS Research Initiative: Advancing HIV Prevention and Treatment Through Data-Informed Research, Community-Informed Practices and Innovative Intervention Strategies |
SESSION 13: PrEP
| O13.1 | Daphne Van Wees | Gini coefficients to quantify heterogeneity in sexual behavior and STI distribution before and after PrEP among MSM in the Netherlands |
| O13.2 | Mark van den Elshout | Predictors of PrEP adherence among men who have sex with men in Amsterdam, the Netherlands |
| O13.3 | Jordan Sang | Trends in PrEP awareness and uptake among Gay, Bisexual and other Men who have Sex with Men (GBM) in Canada |
| O13.4 | Michel Alary | Prevalence of gonorrhea, chlamydia and syphilis among men who have sex with men initiating HIV pre-exposure prophylaxis in Cotonou, Benin |
| O13.5 | Vita Jongen | Comparing MSM using event-driven PrEP to those using daily PrEP – data from two European PrEP demonstration projects |
| O13.6 | Haoyi Wang | Determinants of PrEP uptake, intention and awareness in the Netherlands: a socio-spatial analysis |
SESSION 14: LGBTQ POPULATIONS – MSM
| O14.1 | Tyrone Curtis | Behaviour or Identity? Differences in HIV testing by sexual identity among MSM in high-income countries: an individual participant data meta-analysis |
| O14.2 | Preeti Pathela | Persistent racial and ethnic disparities amid declining HIV incidence among men who have sex with men, New York City, 2010–2018 |
| O14.3 | Emily Rowlinson | High incidence of antimicrobial use and overuse in cisgender men who have sex with men at risk of bacterial STIs |
| O14.4 | Eric Chow | Enteric and sexually acquired pathogens in men who have sex with men with clinical proctitis |
| O14.5 | Rayner Kay Jin Tan | Trauma and chemsex as coping among gay, bisexual and other men who have sex with men in Singapore |
| O14.6 | Rayner Kay Jin Tan | Social capital and chemsex initiation in young gay, bisexual, and other men who have sex with men |
SESSION 15: LGBTQ POPULATIONS – TRANS AND BI
| O15.1 | Yongjie Sha | Unmet health needs and their associations with gender minority stress among Chinese transgender individuals |
| O15.2 | Olivia Van Gerwen | “It’s behaviors; It’s not identity”: Attitudes Related to HIV Risk and Pre-Exposure Prophylaxis Among Transgender Women in the Southeastern US |
| O15.3 | Kyle Bernstein | Heterogeneity among American Men who have sex with men and women: National Survey of Family Growth (NSFG) 2011-2019 |
| O15.4 | Diana Tordoff | Geographic variation in HIV testing among transgender and non-binary adults in the United States |
| O15.5 | Beatriz Nobre Monteiro Paiatto | Prevalence and risk factors for chlamydia and gonorrhea among transgender women in 2019-20 in São Paulo, Brazil |
| O15.6 | Tyrone Curtis | “If they ask, I will tell them”: Attitudes towards accessing sexual healthcare among heterosexual-identifying MSM in England |
SESSION 16: FEMALE REPRODUCTIVE HEALTH FOR STIs AND HIV
| O16.1 | Michelle Scoullar | High burden of reproductive tract infections and poor sexual and reproductive health in pregnancy and postpartum in Papua New Guinea |
| O16.2 | Amy Corneli | Episodic PrEP Use among Young Women in Siaya County, Kenya |
| O16.3 | Carolyne Akello | High prevalence of sexually transmitted infections among young African women in REACH study of oral emtricitabine-tenofovir and dapivirine vaginal ring |
| O16.4 | Megan Srinivas | Impact of Defunding Family Planning Health Centers on Gonorrhea and Chlamydia Cases in Iowa: A Longitudinal Spatiotemporal Analysis of 2000-2018 |
| O16.5 | Mercy Shibemba | Young Women Rising: Connecting Young Women Living with HIV in the UK |
| O16.6 | Kevin Turner | Which psychosocial interventions improve sex worker wellbeing? A systematic review of evidence from resource rich countries. |
SESSION 17: HEALTH CARE SERVICES
| O17.1 | Filippo Zimbile | What makes Sense? Strategical use of eHealth technology to stimulate self-care in public sexual health care |
| O17.2 | Caley Shukalek | Exploring Freddie: Lessons from a Novel Virtual HIV PrEP Care Model in Canada |
| O17.3 | Bradley Stoner | Maintaining Services, Responding to Need: The Kingston (Ontario) Quick Test Clinic |
| O17.4 | Sebastian Fuller | First clinical evaluation of a 30-minute point-of-care-test for Chlamydia trachomatis and Neisseria gonorrhoeae infection in UK sexual health clinics |
| O17.5 | Gillian Dean | Blood borne viruses screening (BBVS) for temporarily housed rough sleepers in Brighton & Hove during the Covid-19 pandemic |
| O17.6 | Denise Twisk | Risk factors for STI versus testing rates in a Dutch multicultural area: opportunities for increasing sexual health care accessibility? |
SESSION 18: SEXUAL PARTNERSHIPS AND PARTNER THERAPY
| O18.1 | Heidi Constantinou | Associations between methods of meeting sexual partners and sexual practice among heterosexuals: a cross-sectional study performed in Melbourne, Australia |
| O18.2 | Claudia Estcourt | Does Accelerated partner therapy improve partner notification outcomes for people with chlamydia? The LUSTRUM cluster cross-over randomised control trial. |
| O18.3 | Jackie Cassell | Characteristics and outcomes of people who used Accelerated Partner Therapy for chlamydia in the LUSTRUM cluster cross-over randomised control trial. |
| O18.4 | Cherie Blair | Uncovering Risky Networks: Risk Behaviors, Sexual Partnerships, and Provider Discussions Among Men Who Have Sex with Men and Women (MSMW) |
| O18.5 | Linda Campbell | Comparison of Intimate Partner Violence prior to and during the COVID-19 pandemic: Findings from the I-SHARE cross-sectional multi-country study |
| O18.6 | Jami Leichliter | Racial-ethnic mixing patterns in the United States, 2006-2019 |
SESSION 19: MISCELLANEOUS
| O19.1 | Rayner Kay Jin Tan | Effect of a web drama video series on HIV/STI testing among gay men in Singapore: a pragmatic, randomized controlled trial |
| O19.2 | Chunyan Li | Limited HIV Pre-exposure Prophylaxis Uptake among Chinese Men Who Have Sex with Men– Qualitative Analysis and Potential for an App |
| O19.3 | Penny Loosier | Trends in Discussion of Pre-Exposure Prophylaxis for HIV on Reddit, 2014-2019 |
| O19.4 | Paul Flowers | How can we enhance the implementation of PrEP? Developing evidence-based and theory-informed recommendations from Scotland’s national PrEP programme. |
| O19.5 | Dinah Bons | Integrating care for trans people: The Transclinic, a collaboration between Trans United Europe and the Public Health Service of Amsterdam |
| O19.6 | Carmen Logie | Pathways between intersectional stigma, gender equitable norms, and condom outcomes among urban refugee and displaced youth in Kampala, Uganda |
SESSION 20: LATE BREAKERS – TBD
| O20.1 | Olusegun Soge | A Clinical Endocervical Neisseria gonorrhoeae Isolate Transiently Colonizes the Nonhuman Primate Lower Genital Tract |
| O20.2 | Henry de Vries | Ertapenem is non-inferior to ceftriaxone for the treatment of anogenital gonorrhea: the NABOGO randomized double blind non-inferiority trial |
| O20.3 | Gloria Ebelechukwu Anyalechi | Quantitative Chlamydia trachomatis Pgp3 seropositivity and reproductive sequelae among women, National Health and Nutrition Examination Survey, United States, 2013–2016 |
| O20.4 | Frederick Nindo | Evaluation of global Treponema pallidum genetic diversity using representative sampling and high-throughput genomic analysis |
| O20.5 | Pamela Matson | Love in Lockdown: Relationship Stress, Dating Violence and STI Risk in Adolescent and Young Adult Relationships during the COVID-19 Pandemic |
| O20.6 | Kevin Janssen | Chlamydia trachomatis viable load at six different anatomical sample sites in women (CHLAMOUR) |