JMIR Public Health and Surveillance

Lung cancer is the leading cause of cancer-related death globally, with a significant burden in China, which accounts for more than one-third of the world’s new cases and 40% of related mortalities. Despite evidence that low-dose computed tomography screening can reduce mortality, its limited uptake in China means that most patients are diagnosed at an advanced stage, contributing to a low 5-year survival rate compared to high-income countries. Although overall incidence trends have been well documented, there is a scarcity of population-based data on the temporal trends of different histological subtypes of lung cancer in China.

As SARS-CoV-2 continues to evolve and vaccine-induced protection wanes over time, future annual or periodic COVID-19 vaccination may become important for long-term disease control. China’s adjustment of national COVID-19 response policies provided an opportunity to assess vaccination attitudes after extensive prior vaccination and widespread SARS-CoV-2 exposure. Evidence remains limited on physicians’ and medical trainees’ willingness to receive future COVID-19 vaccination and to support COVID-19 vaccination for older adults and young children.

Frontline workers experience substantial occupational demands that may affect sleep, physical activity, sedentary behavior, recovery, and mental health. Although 24-hour movement behavior (24hrMB) frameworks conceptualize these behaviors as interdependent components of a finite day, it remains unclear how extensively frontline research has adopted integrated approaches, or how evidence is distributed across behaviors, mental health domains, occupations, and measurement methods.

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Rest intolerance, the experience of negative emotions when attempting to rest, is an emerging public health concern, yet its population-based epidemiology remains poorly understood.

Digital mailbox platforms established by authorities for secure communication with the general populace are increasingly available for distribution of surveys. While such solutions constitute an attractive way of easily distributing surveys, nonresponse remains a critical problem, warranting measures to increase participation.

In the postpandemic era, trends in HIV, syphilis, and hepatitis C virus (HCV) infections, as well as the prevalence of coinfections among high-risk groups, may have shifted; however, relevant empirical studies are limited.

Urban communities affected by chronic violence face persistent challenges in accessing primary health care (PHC). Although violence is widely recognized as a determinant of health inequities, there exists limited evidence on how direct exposure to violent events is related to individuals’ perceptions of difficulty in accessing PHC services in highly vulnerable urban environments.

Many patients have been treated by physical therapists after an infection with COVID-19. The policy changes and unique situation of the COVID-19 pandemic necessitate a retrospective analysis.

Routine surveillance is important for understanding hand, foot, and mouth disease (HFMD) after monovalent enterovirus 71 (EV71) vaccine introduction, but interpretation is difficult when etiologic typing is sparse and the COVID-19 pandemic overlaps with the postvaccine era.

Health information–seeking behavior (HISB) is a critical component of personal health management. Health literacy (HL) shapes whether and how people seek health information, but its role across age groups remains underexplored. Korea’s highly digitalized information environment and rapidly aging population provide an important context for examining age-group differences in HL and HISB.

Mobile exposure notification apps (ENAs) can play a significant role in future pandemics. Identifying lessons learned and areas for improvement from such apps, particularly within specific social and cultural contexts, is therefore crucial.