Advancing the public health applications of Chlamydia trachomatis serology

SC Woodhall, RJ Gorwitz, SJ Migchelsen… - The Lancet infectious …, 2018 - thelancet.com
Genital Chlamydia trachomatis infection is the most commonly diagnosed sexually transmitted
infection. Trachoma is caused by ocular infection with C trachomatis and is the leading …

[HTML][HTML] Human African trypanosomiasis: a review of non-endemic cases in the past 20 years

SJ Migchelsen, P Büscher, AIM Hoepelman… - International journal of …, 2011 - Elsevier
Human African trypanosomiasis (HAT) is caused by sub-species of the parasitic protozoan
Trypanosoma brucei and is transmitted by tsetse flies, both of which are endemic only to sub-…

[HTML][HTML] Defining seropositivity thresholds for use in trachoma elimination studies

SJ Migchelsen, DL Martin… - PLoS Neglected …, 2017 - journals.plos.org
Background Efforts are underway to eliminate trachoma as a public health problem by 2020.
Programmatic guidelines are based on clinical signs that correlate poorly with Chlamydia …

[HTML][HTML] Serology reflects a decline in the prevalence of trachoma in two regions of The Gambia

SJ Migchelsen, N Sepúlveda, DL Martin, G Cooley… - Scientific reports, 2017 - nature.com
Trachoma is caused by Chlamydia trachomatis (Ct). It is targeted for global elimination as a
public health problem. In 2014, a population-based cross-sectional study was performed in …

[HTML][HTML] Prevalence of signs of trachoma, ocular Chlamydia trachomatis infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati

…, RMR Butcher, I Itibita, SJ Migchelsen… - PLoS neglected …, 2017 - journals.plos.org
Objective In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma
is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT…

[HTML][HTML] Rebound of gonorrhea after lifting of COVID-19 preventive measures, England

H Fountain, SJ Migchelsen, H Charles… - Emerging Infectious …, 2024 - ncbi.nlm.nih.gov
After lifting of all COVID-19 preventive measures in England in July 2021, marked, widespread
increases in gonorrhea diagnoses, but not testing numbers, were observed, particularly …

[HTML][HTML] Serological and PCR-based markers of ocular Chlamydia trachomatis transmission in northern Ghana after elimination of trachoma as a public health …

…, A Asante-Poku, SJ Migchelsen… - PLoS neglected …, 2018 - journals.plos.org
Background Validation of elimination of trachoma as a public health problem is based on
clinical indicators, using the WHO simplified grading system. Chlamydia trachomatis (Ct) …

New developments in malaria diagnostics: monoclonal antibodies against Plasmodium dihydrofolate reductase–thymidylate synthase, heme detoxification protein and …

JH Kattenberg, I Versteeg, SJ Migchelsen, IJ González… - MAbs, 2012 - Taylor & Francis
Currently available rapid diagnostic tests (RDTs) for malaria show large variation in sensitivity
and specificity, and there are concerns about their stability under field conditions. To …

STI testing, diagnoses and online chlamydia self-sampling among young people during the first year of the COVID-19 pandemic in England

…, CH Mercer, K Sinka, SJ Migchelsen… - … journal of STD & …, 2023 - journals.sagepub.com
Purpose COVID-19 control measures reduced face-to-face appointments at sexual health
services (SHSs). Remote access to SHSs through online self-sampling was increased. This …

O16 Ethnic variations in sexual risk behaviour, sexual health service use and unmet need during the first year of the COVID-19 pandemic: an analysis of population …

…, A Copas, J Gibbs, S Clifton, M Unemo, SJ Migchelsen… - 2022 - sti.bmj.com
Introduction Prior to the COVID-19 pandemic, STIs disproportionately affected some Black
communities. We examined ethnic inequalities in sexual health during the pandemic. Methods …