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HIV Incidence and Associated Risk Factors Among Young Men Who Have Sex With Men in Tianjin, China: Retrospective Cohort Study

HIV Incidence and Associated Risk Factors Among Young Men Who Have Sex With Men in Tianjin, China: Retrospective Cohort Study

YMSM under 25 years of age represent a demographic with increasing numbers of new HIV infections even as HIV incidence is declining globally [9]. Although there were some data on HIV prevalence among YMSM [9,10], the epidemic remains poorly defined among in this population [11], particularly the data of incidence is scarcely reported. Understanding HIV incidence—especially among subgroups of key populations—is essential for effectively targeting strategies to prevent new HIV infections [12].

Yan Guo, Hui Gong, Xiangyu Yan, Xinying Zhang, Tielin Ning, Zhongquan Liu, Long Li, Jie Yang, Liu Li, Changxu Ma, Zhuang Cui, Maohe Yu

JMIR Public Health Surveill 2025;11:e66487

Spatiotemporal Correlation Analysis for the Incidence of Esophageal and Gastric Cancer From 2010 to 2019: Ecological Study

Spatiotemporal Correlation Analysis for the Incidence of Esophageal and Gastric Cancer From 2010 to 2019: Ecological Study

Furthermore, the high-incidence regions for esophageal cancer are primarily distributed in East Asia, Southeastern Africa, and Northern Europe, while the high-incidence regions for gastric cancer are mainly distributed in East Asia and Eastern Europe [5]. The spatial distribution of these 2 cancers exhibits certain overlapping patterns. However, there has been no global-level spatiotemporal correlation analysis simultaneously examining the incidence of both esophageal and gastric cancer [17-22].

Zixuan Cui, Chen Suo, Yidan Zhao, Shuo Wang, Ming Zhao, Ruilin Chen, Linyao Lu, Tiejun Zhang, Xingdong Chen

JMIR Cancer 2025;11:e66655

Clinical Characteristics of Virologically Confirmed Respiratory Syncytial Virus in English Primary Care: Protocol for an Observational Study of Acute Respiratory Infection

Clinical Characteristics of Virologically Confirmed Respiratory Syncytial Virus in English Primary Care: Protocol for an Observational Study of Acute Respiratory Infection

More precise contemporary data to estimate the incidence of RSV in the community and understand the clinical and economic burden of RSV infection in adults would assist in planning any new RSV vaccination program. Deployed at scale, POCT for RSV has the potential to address the gaps in our knowledge about incidence, clinical presentation, and disease burden.

Uy Hoang, Utkarsh Agrawal, José Manuel Ordóñez-Mena, Zachary Marcum, Jennifer Radin, Andre Araujo, Catherine A Panozzo, Orsolya Balogh, Mihir Desai, Ahreej Eltayeb, Tianyi Lu, Catia Nicodemo, Xinchun Gu, Rosalind Goudie, Xuejuan Fan, Elizabeth Button, Jessica Smylie, Mark Joy, Gavin Jamie, William Elson, Rachel Byford, Joan Madia, Sneha Anand, Filipa Ferreira, Stavros Petrou, David Martin, Simon de Lusignan

JMIR Res Protoc 2025;14:e60669

Google Trends Assessment of Keywords Related to Smoking and Smoking Cessation During the COVID-19 Pandemic in 4 European Countries: Retrospective Analysis

Google Trends Assessment of Keywords Related to Smoking and Smoking Cessation During the COVID-19 Pandemic in 4 European Countries: Retrospective Analysis

Among these major events, it was assumed that lockdowns, vaccination campaigns, and rising incidence would induce the greatest echo in Google Trends data [33]. From the results of available survey studies, we expected the RSV to mirror the trend of increased interest in consumption and a decrease in cessation and treatment [15].

Tobias Jagomast, Jule Finck, Imke Tangemann-Münstedt, Katharina Auth, Daniel Drömann, Klaas F Franzen

Online J Public Health Inform 2024;16:e57718

Effect of Smoking on the Development of Migraine in Women: Nationwide Cohort Study in South Korea

Effect of Smoking on the Development of Migraine in Women: Nationwide Cohort Study in South Korea

We, therefore, aimed to conduct a population-based prospective cohort study to investigate the effects of smoking on the incidence of migraine in women. The effects of smoking were further stratified according to hormonal status to determine the differential risk and control for potential confounders.

Seung Ae Kim, Kyungdo Han, Soyoun Choi, Michelle Sojung Youn, Hyemin Jang, Mi Ji Lee

JMIR Public Health Surveill 2024;10:e58105

Exploring Cancer Incidence Trends by Age and Sex Among 14.14 Million Individuals in China From 2007 to 2021: Population-Based Study

Exploring Cancer Incidence Trends by Age and Sex Among 14.14 Million Individuals in China From 2007 to 2021: Population-Based Study

Incidence rates for all cancers combined and the 20 most common cancers stratified by sex. a The number of cases is the sum of the number of cases of cancers for 15 years (2007 to 2021) of data. b ASR: age-standardized incidence rate. c ASR for all cancers based on the Segi population. d ASR for all cancers based on the 2000 Chinese census population. e Not applicable. Age-standardized incidence rates (ASRs) and incidence trends for all cancers combined by sex, 2007 to 2021.

Yingchao Yuan, Chang Liu, Moning Guo, Zhong Xin, Guanjie Chen, Yue Yang, Jianpeng Zheng, Bai Zang, Jinkui Yang

JMIR Public Health Surveill 2024;10:e55657

HIV Incidence and Transactional Sex Among Men Who Have Sex With Men in Ningbo, China: Prospective Cohort Study Using a WeChat-Based Platform

HIV Incidence and Transactional Sex Among Men Who Have Sex With Men in Ningbo, China: Prospective Cohort Study Using a WeChat-Based Platform

HIV incidence density and 95% CI were calculated as the number of HIV seroconversions divided by PYs over the observed time among those tested HIV-negative at baseline, assuming the exact Poisson method. This method is appropriate for rare events, such as HIV incidence, and accounts for the uncertainty in the estimated rates due to the limited number of events and person-time observed [26]. The cumulative incidence of HIV infection was estimated by Kaplan–Meier methods.

Hang Hong, Xiaojun Shi, Yuhui Liu, Wei Feng, Ting Fang, Chunlan Tang, Guozhang Xu

JMIR Public Health Surveill 2024;10:e52366

Patterns of Prescription Medication Use Before Diagnosis of Early Age-Onset Colorectal Cancer: Population-Based Descriptive Study

Patterns of Prescription Medication Use Before Diagnosis of Early Age-Onset Colorectal Cancer: Population-Based Descriptive Study

However, recent evidence particularly over the past decade has revealed a rise in the incidence of early age-onset CRC (EAO-CRC), defined as diagnosis among those younger than 50 years [2]. For example, a 2020 Canadian study [3] showed that between 2008 and 2017, the 30- to 39-year age group accounted for the most significant increase with age-specific average annual percent changes of 4.33 (95% CI 2.79-5.91) for female individuals and 4.53 (95% CI 2.89-6.19) for male individuals.

Vienna Cheng, Eric C Sayre, Vicki Cheng, Ria Garg, Sharlene Gill, Ameer Farooq, Mary A De Vera

JMIR Cancer 2024;10:e50402

Ischemic Stroke After Bivalent COVID-19 Vaccination: Self-Controlled Case Series Study

Ischemic Stroke After Bivalent COVID-19 Vaccination: Self-Controlled Case Series Study

Since individuals serve as their own control and the incidence rates of the outcome of interest are compared within individuals, all time-invariant confounding variables are controlled. The SCCS analytic data sets included individuals who experienced ischemic stroke events between September 1, 2022, and March 31, 2023, had completed a COVID-19 vaccine primary series, and had received their last monovalent dose ≥60 days before September 1, 2022. We required KPSC membership on September 1, 2022.

Stanley Xu, Lina S Sy, Vennis Hong, Kimberly J Holmquist, Lei Qian, Paddy Farrington, Katia J Bruxvoort, Nicola P Klein, Bruce Fireman, Bing Han, Bruno J Lewin

JMIR Public Health Surveill 2024;10:e53807