ArticleThe American journal of tropical medicine and hygiene2025
Transmission Dynamics of Mpox in Peru During the 2022 Outbreak.
Article in The American journal of tropical medicine and hygiene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- A Review of Epidemiological Modeling Studies on Monkeypox.China CDC weekly · 2026Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In July 2022, mpox was declared an international public health emergency because of a surge in cases across Europe and America. This study assessed transmission dynamics and factors associated with hospitalization during the 2022 mpox outbreak in Peru. We performed a cross-sectional study using the Surveillance System of the National Center of Epidemiology, Prevention, and Disease Control (CDC-Peru) data. We estimated the basic reproduction number (R0), effective reproduction number (Rt), and the duration of the outbreak phases. We conducted mathematical modeling of the outbreak and estimated the serial interval. Additionally, we used Poisson regression with robust variance to identify hospitalization factors, using prevalence ratio. Between July and December 2022, 3,677 confirmed cases (96.3% male, mean age 32.6 years) were reported to the CDC-Peru. Of these, 75.0% were men who have sex with men (MSM), 55.6% had HIV infection, and 5.2% were hospitalized. The R0 was 2.37, with an exponential growth phase lasting 7 weeks, and Rt dropped to non-epidemic levels after 14 weeks. The incubation period and recovery period were estimated to be 6 days and 22 days, respectively. The serial interval was 9.3 days. HIV infection increased hospitalization risk. The 2022 mpox outbreak in Peru was characterized by primarily affecting a young MSM population, with a significant proportion being people living with HIV. Hospitalization was associated with HIV coinfection. This outbreak showed exponential growth during the first 7 weeks, followed by a marked deceleration of transmission.
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