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This study examined public knowledge and compliance with infectious disease preventive measures using COVID-19 as a case study. Exploratory research design was employed to collect primary qualitative data from 23 market-involved individuals through the use of in-depth interviews. Responses from the interviewees were audio-recorded, transcribed and categorised into themes before content analysis was used to decrypt fundamental cognitive processes and patterns. Results showed good public knowledge of the infectious disease signs and symptoms, mode of transmission as well as prevention. However, knowledge of how and why some of these preventive measures should be engaged was inadequate or lacking. Findings further showed knowledge-praxis gaps as expressed in the non-observance of face mask directives, disregarding social distancing requirements, and non-compliance to handwashing obligations. Lastly, results showed that observed preventive inactions were reportedly rooted in scarcity of proximate infectious disease cases, public distrust in government, leadership exemplar deficit, individual's poor responsibility mentality, and difficulties in adapting to preventive and control guidelines. Knowledge of this study is most beneficial to market-involved individuals affected by infectious disease policies. This empirical study has helped to unveil the need to bridge knowledge-praxis gap in order to curtail the spread of any infectious disease especially in market areas. The study concluded that unless health communication of infectious disease is adequately and properly disseminated, knowledge-praxis gaps remains inevitable. The need for detailed dissemination of health information, cum intervention strategies that bridge the observed knowledge-compliance gaps is highly imperative in a progressive and dynamic society.

COVID-19 remains a public health emergency of international concern. Efforts at the global and national levels are being made to control its spread. The Nigerian Correctional Service is also proactive in the fight against the disease by organizing COVID-19 awareness training for correctional officers. We conducted a pre- and post-test assessment of COVID-19 knowledge among correctional officers in Enugu State Command to determine the impact of awareness training on their knowledge level. The study also assessed correctional officers’ attitude and preventive practices towards the disease.

The mean knowledge score was 19.34 out of 25, and the awareness training significantly improved the participants’ COVID-19 knowledge. We found a significant moderate, positive correlation between knowledge and attitude/practice, and a significantly higher knowledge level among those with higher educational qualifications.

Regular hand washing with soap and water (87.9%), wearing face masks (84.4%), and social distancing (83%) were practiced by the majority of the participants. The majority of the participants (53.2%) received COVID-19 information from multiple sources including the Nigeria Centre for Disease Control and the World Health Organization.

Medical diagnosis and treatment constitute a network of inter‐related processes. The conventional method of medical diagnosis and treatment of diseases involves a state space search of the medical knowledge of diseases and patient history, which could be combinatorially explosive. This paper presents a report on the experimental study of an intelligent, interactive, user‐friendly, knowledge‐based system which performs a stepwise analysis of a patient's complaints, filtering cognitive and emotional elements to be able to make inferences. It applies both forward and backward chaining in making inferences concerning the management of disease. A case study of the system is carried out using some tropical diseases. It is believed that the system will serve as a useful contribution towards tropical medical informatics.

The purpose of this study is to examine knowledge and perceptions of risk surrounding chronic inflammatory diseases (CIDs) and intergenerational development, as well as practices used to acquire CID information among unaffected first- and second-generation South Asian immigrant parents and children in the Greater Toronto Area, Ontario.

Fifty-four in-depth interviews with parents and children (18 parents, 36 children) were conducted by trained facilitators, recorded, transcribed and analyzed qualitatively.

Findings reveal that although CIDs disproportionately affect South Asian immigrants, this group has low knowledge and awareness of CID symptoms, risk factors and conditions. Yet when equipped with some knowledge about CIDs, participants linked their increased risk of CIDs to perceived risks in their broader environments such as climate variations, pollution, unhealthy food environments and health system neglect, that although yearning to change these factors, felt unable to modify their risks as factors were beyond their control. Although information is critical to manage CIDs, the findings reveal important and divergent knowledge pathways and practices used among first- and second-generation parents and children, particularly related to health-care settings and academic resources, underscoring generational disparities in knowledge acquisition.

The findings suggest that a multi-sector, multi-tiered approach built around a series of structural interventions, programs and policy changes is needed to address CID knowledge and awareness gaps and entrenched culturally insensitive health care to create more equitable access to healthy, safe and responsive environments and care systems for CID management.

This study aims to differential diagnosis of some diseases using classification methods to support effective medical treatment. For this purpose, different classification methods based on data, experts’ knowledge and both are considered in some cases. Besides, feature reduction and some clustering methods are used to improve their performance.

First, the performances of classification methods are evaluated for differential diagnosis of different diseases. Then, experts' knowledge is utilized to modify the Bayesian networks' structures. Analyses of the results show that using experts' knowledge is more effective than other algorithms for increasing the accuracy of Bayesian network classification. A total of ten different diseases are used for testing, taken from the Machine Learning Repository datasets of the University of California at Irvine (UCI).

The proposed method improves both the computation time and accuracy of the classification methods used in this paper. Bayesian networks based on experts' knowledge achieve a maximum average accuracy of 87 percent, with a minimum standard deviation average of 0.04 over the sample datasets among all classification methods.

The proposed methodology can be applied to perform disease differential diagnosis analysis.

This study presents the usefulness of experts' knowledge in the diagnosis while proposing an adopted improvement method for classifications. Besides, the Bayesian network based on experts' knowledge is useful for different diseases neglected by previous papers.

This study aimed to determine mothers' knowledge of children with congenital heart disease (CHD) and to examine the relationship between types of CHD, the duration of treatments, the perception of the severity of illness and the mothers' knowledge.

A correlation study was conducted among 84 mothers of children (from infancy to six years old) with CHD who had attended pediatric cardiology clinics and pediatric units in three tertiary hospitals in Bangkok, Thailand. The two questionnaires aimed to evaluate the mothers' knowledge and perceptions of the severity of illness. Descriptive statistics, Spearman's rank-order correlation and Fisher's exact test were used to analyze the data.

Knowledge levels of mothers of children with CHD were at a high level with a mean score of 34.79 (SD = 8.23), but the knowledge domain of preventing complications was at a low level with a mean score of 14.95 (SD = 5.28). The types of CHD and the perceptions of illness were not correlated with the mothers' knowledge, but the duration of treatments was significantly correlated (r = 0.271, p < 0.05).

Healthcare professionals, especially nurses, should emphasize proper health education on complication prevention and the duration of treatments for children. Moreover, mothers should be supported to nurture children with CHD to reduce possible complications and prepare for cardiac surgery where needed.

Prisoners have an increased risk of cardiovascular disease (CVD) compared to the general population. Knowledge and risk perception of CVD can influence engagement in preventative behaviours that lower an individual’s CVD risk. This paper aims to explore prisoners’ knowledge of CVD, and prisoners and staff’s perceptions of prisoners’ CVD risk.

This was a qualitative study in which semi-structured interviews were conducted with 16 prisoners and 11 prison and National Health Services staff in a Scottish prison. Data were analysed thematically using the framework method.

Most prisoners had limited knowledge of CVD as they could not describe it or could only identify one or two risk factors or cardiovascular events. Both prisoners and staff viewed prisoners’ CVD risk as either pertaining to one individual, or pertaining to the general prisoner population. Unhealthy behaviours that were believed to increase CVD risk were linked to three perceived consequences of imprisonment: mental health problems, boredom and powerlessness.

To the best of the authors’ knowledge, this is the first study to explore the CVD knowledge of prisoners, and perceptions of CVD risk from the perspectives of prisoners and prison staff. Findings from this study indicate that CVD education needs to be a priority for prisoners, addressing knowledge of CVD, its risk and risk perceptions. Additionally, the findings indicate that individual and socio-environmental factors linked to prisoners’ CVD risk need to be targeted to reduce this risk. Future research should focus on socio-environmental interventions that can lead to reducing the CVD risk of prisoners.

Alzheimer’s disease (AD) is the primary cause of dementia in elderly people and needs extensive professional care. The aim of our study was to assess the level of knowledge among primary health-care providers, primarily Family Physicians (FPs) and community pharmacists (CPs), about AD and its treatment.

A cross-sectional study using Google Forms sent by email or message to FPs and CPs in Istanbul in June–July 2023. Turkish modified the Alzheimer’s Disease Knowledge Scale (ADKS) and Alzheimer’s Medicines Knowledge Level Questionnaire (AMKLQ) were used in this study.

A total of 63 FPs with a mean age of 35.3 ± 7.8 and 138 CPs with a mean age of 38.6 ± 12.6 enrolled in the study. There was no statistically significant difference between FPs and CPs in terms of total ADKS score (19.82 ± 2.30 vs 19.23 ± 3.08, p = 0.136), but there was a significant difference in terms of total AMKLQ score (4.31 ± 1.40 vs 3.81 ± 1.49, p = 0.020). Health-care providers with Alzheimer’s training had a higher total AMKLQ score (OR =1.08 CI 95% [1.03–1.14], p = 0.012).

FPs’ knowledge of AD is on par with that of CPs. Nevertheless, it has been observed that FPs have more proficiency in delivering accurate responses to the AMKLQ and ADKS inquiries, which encompass crucial details regarding the treatment of AD. The sole determinant of the highest mean AMKLQ score was found to be professional education. Collectively, these arguments emphasize the need for primary health-care practitioners to obtain comprehensive and ongoing education regarding AD and its treatment.

Effectively engaging patients is critical for the sustainable development of online health communities (OHCs). Although physicians’ general knowledge-sharing, which is free to the public, represents essential resources of OHCs that have been shown to promote patient engagement, little is known about whether such knowledge-sharing can backfire when superfluous knowledge-sharing is perceived as overwhelming and anxiety-provoking. Thus, this study aims to gain a comprehensive understanding of the role of general knowledge-sharing in OHCs by exploring the spillover effects of the depth and breadth of general knowledge-sharing on patient engagement.

The research model is established based on a knowledge-based view and the literature on knowledge-sharing in OHCs. Then the authors test the research model and associated hypotheses with objective data from a leading OHC.

Although counterintuitive, the findings revealed an inverted U-shape relationship between general knowledge-sharing (depth and breadth of knowledge-sharing) and patient engagement that is positively associated with physicians’ number of patients. Specifically, the positive effects of depth and breadth of general knowledge-sharing increase and then decrease as the quantity of general knowledge-sharing grows. In addition, physicians’ offline and online professional status negatively moderated these curvilinear relationships.

This study further enriches the literature on knowledge-sharing and the operations of OHCs from a novel perspective while also offering significant specific implications for OHCs practitioners.

The prevalence of hepatitis B, hepatitis C and HIV in a representative sample of the Armenian male adult prison population has been determined and prisoners and staff were anonymously asked on risk behaviours (542 prisoners) and on knowledge, attitude and behaviour towards infectious diseases (348 staff members) Prisoners’ knowledge about the sources of transmission of HIV is quite poor, most of the wrong answers relate to activities in the daily prison life. The acceptance of HIV‐infected inmates tends towards extremely negative attitudes. The reported rate of intravenous drug use was 13.3%, and 51% among those are current injectors. Of the ‘ever injectors’, between 15% and 30% reported high‐risk behaviour. Of particular interest was the fact that the self‐reported HIV test results did not correlate at all with the results of the saliva tests. In the study the prevalence of HIV was 2.4%, a rate which is 27 times higher than in the general population. The prevalence rate for hepatitis B among prisoners is 3.7% and for hepatitis C 23.8%. The most important risk factor for contracting an HCV infection was drug use and the second, time spent in prison within the last 10 years, which is an independent risk factor. A substantial number of prison employees perceive their working condition as risky and themselves as at risk for TB, hepatitis B/C or HIV, but large groups had no idea about infection rates. Regarding HIV and hepatitis, knowledge is poor and patchy. While staff show quite good knowledge regarding the main transmission routes via blood and unprotected sex, a low level of knowledge becomes obvious when considering everyday‐life situations, which may cause fears in such a closed setting like prison. Standards including confidentiality and non‐segregation are not accepted in respect of HIV positive prisoners. Here, attitudes range between ‘inclusion’ and ‘exclusion’, which might express uncertainty and insecurity about the risks HIV‐positive persons carry. The provision of sterile needles for tattooing and sterile syringes and needles for injecting drugs users to prevent the spread of infectious diseases are not agreed by the majority of prison staff.