Observational studyPloS one2025
Screening for asymptomatic mpox in at-risk populations: A cross-sectional study.
Observational study in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Prevalence of mpox infection among men who have sex with men: a systematic review and meta-analysis.Infectious diseases of poverty · 2026Pooled it
- Serological evidence uncovers undocumented mpox exposure in febrile patients in Nigeria.Frontiers in public health · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMpox is a viral disease caused by an orthopoxvirus called monkeypox virus. It experienced a significant increase in cases in 2022 worldwide, mostly with sexual transmission. The possibility of hidden circulation of this infection among asymptomatic individuals remains unclear.
methodsThis is a multi-centre, observational cross-sectional study conducted in a sexually transmitted infections (STIs) clinic in its referral hospital between July and October 2023 in Madrid, Spain. Pharyngeal and rectal swab samples were collected from each participant and processed to detect bacterial STIs and mpox. Socio-demographic, clinical and behavioural data were collected, and a descriptive analysis was performed.
resultsA total of 343 asymptomatic participants were included. The prevalence of asymptomatic mpox infection was 0.3% (n = 1) and the only positive case developed symptoms shortly after sampling, ruling out a fully asymptomatic infection. The percentage of vaccinated individuals was 36.1%. 13.2% had previously contracted mpox. Other STIs were detected in 21.6% of participants.
conclusionsAlthough routine screening for asymptomatic bacterial sexually transmitted infections is strongly recommended in at-risk individuals, testing for asymptomatic mpox should be evaluated based on the specific context and population. Additionally, the ongoing cases of mpox in Spain are likely not related to the presence of asymptomatic carriers.
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