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Supplemental Digital Content is Available in the Text. Background: People who live with HIV (PWLH) have been one of the most affected groups during the current monkeypox (mpox) outbreak. They are hypothesized to have a more severe clinical course than people without HIV, but comparative data are scarce. We aimed to compare clinical features and outcomes of mpox in people with and without HIV in Mexico. Setting: This was a country-wide study in Mexico. Methods: We performed an observational study using nation-wide epidemiological data. We included all people with confirmed mpox diagnosed between May and November 2022 in Mexico. Clinical and sociodemographic characteristics were compared between people with and without HIV. Multivariable logistic regression models were preformed to determine the association between HIV, clinical features, and outcomes and reported with odds ratios (ORs) and 95% confidence intervals (95% CI). ORs for rare outcomes were interpreted as risk ratios. Results: Among 3291 people with mpox, 59% were PWLH. PWLH had an increased risk of severe mpox (OR 2.6, 95% CI: 2.4 to 2.9) and death (OR 10.8, 95% CI: 9.7 to 11.9). They also had a higher risk of otalgia, proctitis, and urethritis. Eleven individuals died, of whom 10 were PWLH. All deaths were directly attributed to mpox. Conclusion: People with HIV have a higher risk of severe mpox and death due to mpox. [ABSTRACT FROM AUTHOR]

Background: People who live with HIV (PWLH) have been one of the most affected groups during the current mpox outbreak. They are hypothesized to have a more severe clinical course than people without HIV but comparative data is scarce. We aimed to compare clinical features and outcomes of mpox in people with and without HIV in Mexico., Setting: Country-wide study in Mexico., Methods: We performed an observational study using nation-wide epidemiological data. We included all people with confirmed mpox diagnosed between May and November 2022 in Mexico. Clinical and sociodemographic characteristics were compared between people with and without HIV. Multivariable logistic regression models were preformed to determine the association between HIV, clinical features, and outcomes and reported with odds ratios (ORs) and 95% confidence intervals (95% CI). ORs for rare outcomes were interpreted as risk ratios., Results: Among 3291 people with mpox, 59% were PWLH. PWLH had an increased risk of severe mpox (OR 2.6, 2.4-2.9) and death (OR 10.8, 9.7-11.9). They also had a higher risk of otalgia, proctitis, and urethritis. Eleven individuals died, of whom ten were PWLH. All deaths were directly attributed to mpox., Conclusion: People with HIV have a higher risk of severe mpox and death due to mpox., Competing Interests: The authors report no conflicts of interest related to this work., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)

Background: Human monkeypox, a zoonosis historically endemic to West and South Africa, has led to a worldwide outbreak driven by human-to-human transmission resulting in an international public health emergency. Endemic and outbreak monkeypox cases may differ in their affected populations, clinical features, and outcomes. Thus, profiling cases of the current monkeypox outbreak worldwide is crucial., Methods: We performed a nationwide observational surveillance-based study from May 24 to September 5, 2022. Patients that met the operational clinical definition of monkeypox or symptomatic close contacts of confirmed cases were tested by real-time polymerase chain reaction. Clinical data were collected with a standardized case-report form. We report epidemiologic, sociodemographic, and clinical characteristics of confirmed cases., Findings: Five-hundred and sixty-five human monkeypox confirmed cases were analysed; 97.2% were men, of whom 59.5% identified as men who have sex with men, and 54.5% had human immunodeficiency virus infection. The median age was 34 years. All patients but one had rash (99.8%), 78.9% had fever, and 47.8% reported myalgia. The anogenital area was the most commonly affected one by rash (49.6%), and proctitis occurred in 6.2% of patients. Six patients required hospitalization, of which one died due to causes unrelated to monkeypox., Interpretation: The 2022 monkeypox outbreak in Mexico is mainly driven by middle-aged men who have sex with men, of which a large proportion are persons who live with human immunodeficiency virus infection. Clinical features such as the high proportion of anogenital lesions suggest sexual contact is a pivotal transmission mechanism in this outbreak., Funding: This research was supported by grant A1-S-18342 from Consejo Nacional de Ciencia y Tecnología (CONACyT), Mexico (to S.I.V.-F.)., Competing Interests: We declare no competing interests., (© 2022 The Authors.)