OOIR: Observatory of International Research

Papers

(The TQCC of Sexually Transmitted Infections is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
Undetectable equals untransmittable (U = U): awareness and associations with health outcomes among people living with HIV in 25 countries	85
Love during lockdown: findings from an online survey examining the impact of COVID-19 on the sexual health of people living in Australia	82
Reporting of sexually transmitted infections during the COVID-19 pandemic	65
Reduced sexual contacts with non-steady partners and less PrEP use among MSM in Belgium during the first weeks of the COVID-19 lockdown: results of an online survey	59
COVID-19 restrictions and changing sexual behaviours in HIV-negative MSM at high risk of HIV infection in London, UK	50
Adverse pregnancy and neonatal outcomes associated withNeisseria gonorrhoeae:systematic review and meta-analysis	47
International Sexual Health And REproductive health (I-SHARE) survey during COVID-19: study protocol for online national surveys and global comparative analyses	40
Effect of syphilis infection on HIV acquisition: a systematic review and meta-analysis	40
Is COVID-19 affecting the epidemiology of STIs? The experience of syphilis in Rome	39
Trend of main STIs during COVID-19 pandemic in Milan, Italy	38
Call to action for health systems integration of point-of-care testing to mitigate the transmission and burden of sexually transmitted infections	35
Where to go to in chlamydia control? From infection control towards infectious disease control	31
Coronavirus (COVID-19) and young people’s sexual health	28
Impacts of COVID-19 on sexual behaviour in Britain: findings from a large, quasi-representative survey (Natsal-COVID)	27
Characteristics and sexual health service use of MSM engaging in chemsex: results from a large online survey in England	26
Case of apparent mpox reinfection	26
Sexual consent and chemsex: a quantitative study on sexualised drug use and non-consensual sex among men who have sex with men in Amsterdam, the Netherlands	23
Investigating the effects of COVID-19 on global male sex work populations: a longitudinal study of digital data	23
Prevalence, incidence and associated risk factors of STIs during pregnancy in South Africa	23
Prevalence of Mycoplasma genitalium by anatomical site in men who have sex with men: a systematic review and meta-analysis	22
Early impact of COVID-19 social distancing measures on reported sexual behaviour of HIV pre-exposure prophylaxis users in Wales	22
Risk perception, safer sex practices and PrEP enthusiasm: barriers and facilitators to oral HIV pre-exposure prophylaxis in Black African and Black Caribbean women in the UK	22
Sexual health (excluding reproductive health, intimate partner violence and gender-based violence) and COVID-19: a scoping review	22
An alarming high prevalence of resistance-associated mutations to macrolides and fluoroquinolones inMycoplasma genitaliumin Belgium: results from samples collected between 2015 and 2018	21
Impact of COVID-19 pandemic on STIs in Greece	19

Prevalence of lymphogranuloma venereum among anorectal Chlamydia trachomatis-positive MSM using pre-exposure prophylaxis for HIV	19
COVID-19-related nationwide lockdown did not reduce the reported diagnoses of Chlamydia trachomatis and Neisseria gonorrhoeae in Finland	18
Global epidemiology ofNeisseria gonorrhoeaein infertile populations: systematic review, meta-analysis and metaregression	18
Factors associated with interest in a long-acting HIV regimen: perspectives of people living with HIV and healthcare providers in four European countries	18
Diagnoses of syphilis and HIV infection during the COVID-19 pandemic in Taiwan	17
Incidence and duration of incident oropharyngeal gonorrhoea and chlamydia infections among men who have sex with men: prospective cohort study	17
Neurotoxicities in the treatment of HIV between dolutegravir, rilpivirine and dolutegravir/rilpivirine: a meta-analysis	17
Chemsex and diagnoses of syphilis, gonorrhoea and chlamydia among men who have sex with men in the UK: a multivariable prediction model using causal inference methodology	16
Comparison of the patterns of chlamydia and gonorrhoea at the oropharynx, anorectum and urethra among men who have sex with men	16
Spontaneous clearance of genital and extragenital Neisseria gonorrhoeae: data from GToG	15
Factors associated with reporting antibiotic use as STI prophylaxis among HIV PrEP users: findings from a cross-sectional online community survey, May–July 2019, UK	15
Chemsex and incidence of sexually transmitted infections among Canadian pre-exposure prophylaxis (PrEP) users in the l’Actuel PrEP Cohort (2013–2020)	15
Sexual health interventions delivered to participants by mobile technology: a systematic review and meta-analysis of randomised controlled trials	14
Characteristics associated with Lactobacillus iners-dominated vaginal microbiota	14
Sexually transmitted infections among women randomised to depot medroxyprogesterone acetate, a copper intrauterine device or a levonorgestrel implant	14
Adverse pregnancy and perinatal outcomes associated with Mycoplasma genitalium: systematic review and meta-analysis	14
Sexual transmission of infections across Europe: appraising the present, scoping the future	14
‘Stay at home …’: exploring the impact of the COVID-19 public health response on sexual behaviour and health service use among men who have sex with men: findings from a large online survey in the UK	13
STIs during the first and second wave of COVID-19 in Denmark	13
Accessing needed sexual health services during the COVID-19 pandemic in British Columbia, Canada: a survey of sexual health service clients	13
Cost-effectiveness of two screening strategies for Chlamydia trachomatis and Neisseria gonorrhoeae as part of the PrEP programme in the Netherlands: a modelling study	13
Development of an international sexual and reproductive health survey instrument: results from a pilot WHO/HRP consultative Delphi process	13
Implementation of a standardised and quality-assured enhanced gonococcal antimicrobial surveillance programme in accordance with WHO protocols in Kampala, Uganda	13
Social network strategy as a promising intervention to better reach key populations for promoting HIV prevention: a systematic review and meta-analysis	13
Modelling the contribution that different sexual practices involving the oropharynx and saliva have onNeisseria gonorrhoeaeinfections at multiple anatomical sites in men who have sex with men	13
Sociodemographic and behavioural factors associated with testing for HIV and STIs in a US nationwide sample of transgender men who have sex with men	13
BASHH updated position statement on doxycycline as prophylaxis for sexually transmitted infections	12
Molecular epidemiological analysis of Mycoplasma genitalium shows low prevalence of azithromycin resistance and a well-established epidemic in South Africa	12
Emerging impact of the COVID-19 outbreak on sexual health in Lebanon	12
Enhancing help-seeking behaviour among men who have sex with men at risk for sexually transmitted infections: the syn.bas.in randomised controlled trial	11
Utilisation of pharmacy-based sexual and reproductive health services: a quantitative retrospective study	11
Ethnic inequalities in mental health and socioeconomic status among older women living with HIV: results from the PRIME Study	11
HIV postexposure prophylaxis during the COVID-19 pandemic: experience from Madrid	11
Dose selection for a phase III study evaluating gepotidacin (GSK2140944) in the treatment of uncomplicated urogenital gonorrhoea	11
HPV types, cervical high-grade lesions and risk factors for oncogenic human papillomavirus infection among 3416 Tanzanian women	11
Impact of the early 2020 COVID-19 crisis and lockdown on PrEP use among men who have sex with men (MSM) in France	11
How did COVID-19 measures impact sexual behaviour and access to HIV/STI services in Panama? Results from a national cross-sectional online survey	11
Factors associated with lower knowledge of HIV and STI transmission, testing and treatment among MSM in Ireland: findings from the MSM Internet Survey Ireland (MISI) 2015	10
Universal lymphogranuloma venereum (LGV) testing of rectal chlamydia in men who have sex with men and detection of asymptomatic LGV	10
An update on the performance of STI services for gay and bisexual men across European cities: results from the 2017 European MSM Internet Survey	10
Is there an association between previous infection withNeisseria gonorrhoeaeand gonococcal AMR? A cross-sectional analysis of national and sentinel surveillance data in England, 2015–2019	10
COVID-19, fear and sexual behaviour: a survey in a tertiary STI clinic in Lisbon	10
Evidence of HIV pre-exposure or post-exposure prophylaxis (PrEP/PEP) among blood donors: a pilot study, England June 2018 to July 2019	10
Is Madagascar at the edge of a generalised HIV epidemic? Situational analysis	9
Population rates of HIV, gonorrhoea and syphilis diagnoses by sexual orientation in New Zealand	9
Characterising HIV and STIs among transgender female sex workers: a longitudinal analysis	9
Prevalence of curable STIs and bacterial vaginosis during pregnancy in sub-Saharan Africa: a systematic review and meta-analysis	9
Macrolide and fluoroquinolone resistance of Mycoplasma genitalium in southern Spain, 2018–2019	9
Perceptions of an HIV self-testing intervention and its potential role in addressing the barriers to HIV testing among at-risk heterosexual men: a qualitative analysis	9
Evidence of changing sexual behaviours and clinical attendance patterns, alongside increasing diagnoses of STIs in MSM and TPSM	9

Epidemiology of herpes simplex virus type 2 in Latin America and the Caribbean: systematic review, meta-analyses and metaregressions	9
COVID-19 impact on bacterial sexually transmitted infections in England between 1 January 2019 and 31 December 2020	9
To pool or not to pool? Screening of Chlamydia trachomatis and Neisseria gonorrhoeae in female sex workers: pooled versus single-site testing	9
How can we make self-sampling packs for sexually transmitted infections and bloodborne viruses more inclusive? A qualitative study with people with mild learning disabilities and low health literacy	8
Perceived efficacy of HIV treatment-as-prevention among university students in Johannesburg, South Africa	8
High prevalence of coinfection of azithromycin-resistant Mycoplasma genitalium with other STIs: a prospective observational study of London-based symptomatic and STI-contact clinic attendees	8
Impact of point-of-care testing and treatment of sexually transmitted infections and bacterial vaginosis on genital tract inflammatory cytokines in a cohort of young South African women	8
HIV non-occupational postexposure prophylaxis (nPEP) usage among five key populations in China	8
Implementing U=U in clinical practice: results of a British HIV association members survey	8
Assessing the costs and outcomes of control programmes for sexually transmitted infections: a systematic review of economic evaluations	8
Going beyond ‘regular and casual’: development of a classification of sexual partner types to enhance partner notification for STIs	8
Online self-sampling kits to screen multipartner MSM for HIV and other STIs: participant characteristics and factors associated with kit use in the first 3 months of the MemoDepistages programme, Fran	8
Oropharyngeal Chlamydia trachomatis in women; spontaneous clearance and cure after treatment (FemCure)	8
Gonorrhoea during COVID-19 in London, UK	8
Access to, usage and clinical outcomes of, online postal sexually transmitted infection services: a scoping review	8
Lymphogranuloma venereum genovariants in men having sex with men in Italy	8
Diagnostic role of CXCL13 and CSF serology in patients with neurosyphilis	8
Sexual behaviours associated with incident high-risk anal human papillomavirus among gay and bisexual men	8
Are all blood-based postal sampling kits the same? A comparative service evaluation of the performance of dried blood spot and mini tube sample collection systems for postal HIV and syphilis testing	8
Effect of police enforcement and extreme social inequalities on violence and mental health among women who sell sex: findings from a cohort study in London, UK	7
Clinical outcomes of syphilis in HIV-negative and HIV-positive MSM: occurrence of repeat syphilis episodes and non-treponemal serology responses	7
Diverging trends in US male-female condom use by STI risk factors: a nationally representative study	7
Clinical efficacy and tolerability of 1.5 g/day oral amoxicillin therapy without probenecid for the treatment of syphilis	7
Factors associated with sexually transmitted shigella in men who have sex with men: a systematic review	7
Estimation of the impact of changing drug-use trend on HIV, hepatitis C and syphilis epidemics among people who use synthetic drug-only, polydrug and heroin-only during 2005–2035 in China: modelling s	7
Prevalence and determinants of genitalChlamydia trachomatisamong school-going, sexually experienced adolescents in urban and rural Indigenous regions of Panama	7
Sexually transmitted Shigella flexneri and Shigella sonnei in men who have sex with men	7
HIV and STI positivity rates among transgender people attending two large STI clinics in the Netherlands	6
Seropositivity rate and sociodemographic factors associated to HIV, HBV, HCV and syphilis among parturients from Irene Neto Maternity of Lubango city, Angola	6
Primary syphilis in men causes painful anogenital lesions and serology is not always helpful	6
Conducting rapid qualitative research to support sex workers’ health and social needs in the face of COVID-19: capitalising on stakeholder networks from the HIV response in Singapore to drive policyma	6
High levels of undiagnosed rectal STIs suggest that screening remains inadequate among Black gay, bisexual and other men who have sex with men	6
Effects of enhanced STI partner notification counselling and provider-assisted partner services on partner referral and the incidence of STI diagnosis in Cape Town, South Africa: randomised controlled	6
Changes in STI and HIV testing and testing need among men who have sex with men during the UK’s COVID-19 pandemic response	6
Recent changes in the reporting of STIs in Japan during the COVID-19 pandemic	6
Patterns of anxiety and distress over 12 months following participation in HPV primary screening	6
Implementation of a national HIV pre-exposure prophylaxis service is associated with changes in characteristics of people with newly diagnosed HIV: a retrospective cohort study	6
Mycoplasma genitalium coinfection in men with symptomatic gonococcal urethritis	6
Factors associated with interest in bacterial sexually transmitted infection vaccines at two large sexually transmitted infection clinics in British Columbia, Canada	6
Syphilis self-testing to expand test uptake among men who have sex with men: a theoretically informed mixed methods study in Zimbabwe	6
Modified self-obtained pooled sampling to screen for Chlamydia trachomatis and Neisseria gonorrhoeae infections in men who have sex with men	6
Safeguarding teenagers in a sexual health service during the COVID-19 pandemic	6
How to increase chlamydia testing in primary care: a qualitative exploration with young people and application of a meta-theoretical model	6
Pre-exposure prophylaxis and bacterial sexually transmitted infections (STIs) among gay and bisexual men	6
Shigellais common in symptomatic and asymptomatic men who have sex with men visiting a sexual health clinic in Amsterdam	6
HIV and other sexually transmitted infections among female sex workers in Moscow (Russia): prevalence and associated risk factors	5
Single-tablet regimen of emtricitabine/tenofovir disoproxil fumarate plus cobicistat-boosted elvitegravir increase adherence for HIV postexposure prophylaxis in sexual assault victims	5
Continuing evidence that COVID-19 has influenced syphilis epidemiology in Rome	5
Improved sensitivity from pooled urine, pharyngeal and rectal specimens when using a molecular assay for the detection of chlamydia and gonorrhoea near point of care	5
Molecular screening in a longitudinal cohort of young men who have sex with men and young transgender women: associations with focus on the emerging sexually transmitted pathogen Mycoplasma genital	5
Determinants associated with viable genital or rectal Chlamydia trachomatis bacterial load (FemCure)	5
Hormonal contraception and risk of STIs and bacterial vaginosis in South African adolescents: secondary analysis of a randomised trial	5
Factors associated with sexually transmitted infection diagnosis in women who have sex with women, women who have sex with men and women who have sex with both	5
Increase in reported domestic abuse in Integrated Sexual Health (ISH) services in London and Surrey during COVID-19 ‘lockdown’: successful application of national guidance on routine enquiry during ra	5
Chlamydia trachomatis and Mycoplasma genitalium prevalence and associated factors among women presenting to a pregnancy termination and contraception clinic, 2009–2019	5
What do young people in high-income countries want from STI testing services? A systematic review	5
Substance use treatment partially mitigates association between methamphetamine use and STI risk: findings from the NSDUH cohort	5
Evidence supporting the standardisation of extragenital gonorrhoea and chlamydia screenings for women	5
Performance of human papillomavirus DNA detection in residual specimens taken for Chlamydia trachomatis and Neisseria gonorrhoeae nucleic acid amplification testing in men who have sex w	5
Timing of primary syphilis treatment and impact on the development of treponemal antibodies: a cross-sectional clinic-based study	5
Prevalence of and risk factors for curable sexually transmitted infections on Bubaque Island, Guinea Bissau	5
Systematic identification and replication of factors associated with human papillomavirus vaccine initiation among adolescents in the United States using an environment-wide association study approach	5
Anal and oral detection ofTreponema pallidumin men who have sex with men with early syphilis infection	5
Risk factors for HIV infection among men who have sex with men in the ANRS IPERGAY PrEP trial	5
Ensuring retention in care for people living with HIV during the COVID-19 pandemic in Rome, Italy	5
Increase of early syphilis cases during the COVID-19 pandemic in the Czech Republic	5
Trichoscopy of syphilitic alopecia: a systematic review	5