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Dengue Hemorrhagic Fever (DHF) remains a major public health problem in Indonesia, particularly in densely populated areas. Control efforts require accurate data and spatial analysis to understand disease distribution patterns. Geographic Information System (GIS) is an effective tool for visualizing case distribution and supporting surveillance and planning of control programs at the primary healthcare level. This study aims to describe the spatial distribution of Dengue cases based on medical record data and produce a geographic distribution map to support Dengue control efforts at the Puskesmas level. This study used a quantitative descriptive design with secondary data from medical records at Karangsari Health Center. The sample consisted of 255 DHF patients in 2025, selected using a total sampling technique. Data were processed through editing, geocoding patient addresses, and spatial analysis using QGIS software.The results showed 255 Dengue  cases in 2025 with fluctuating monthly trends, peaking in April and lowest in December. Case distribution was uneven and tended to cluster. High-risk areas accounted for 15.7%–21.2%, moderate-risk areas 9.8%–15.7%, and low-risk areas 7.1%–9.8%. Megu Cilik Village had the highest proportion of cases, while other villages were categorized as moderate and low risk. This pattern indicates that Dengue incidence is influenced by environmental conditions, vector density, host factors, rainfall, and Aedes aegypti presence. GIS provides clearer spatial visualization, helping identify high-risk areas and supporting targeted public health interventions.

Dengue Hemorrhagic Fever (DHF) remains a significant public health problem in tropical countries, including Indonesia. The presence of Aedes aegypti larvae is an important indicator of dengue transmission risk and is influenced by environmental factors, particularly temperature and humidity. This study aimed to analyze the relationship between temperature and humidity and the presence of mosquito larvae in Meteseh Village, Tembalang District, Semarang City. This analytical observational study employed a cross-sectional design involving 100 households selected through quota sampling. Data were collected through direct observation and measurement of temperature and humidity using a thermo-hygrometer, then analyzed using the Chi-square test. The results showed a significant association between temperature and the presence of mosquito larvae (p=0.000), while humidity was not significantly associated with larvae presence (p>0.05). Temperature was identified as a more influential environmental factor in supporting mosquito larvae existence than humidity in the study area. These findings highlight the importance of environmental-based vector control strategies, particularly through management of microhabitat temperature conditions, to support dengue prevention.

Dengue Hemorrhagic Fever (DHF) remains a significant public health problem in tropical countries, including Indonesia. The presence of Aedes aegypti larvae is an important indicator of dengue transmission risk and is influenced by environmental factors, particularly temperature and humidity. This study aimed to analyze the relationship between temperature and humidity and the presence of mosquito larvae in Meteseh Village, Tembalang District, Semarang City. This analytical observational study employed a cross-sectional design involving 100 households selected through quota sampling. Data were collected through direct observation and measurement of temperature and humidity using a thermo-hygrometer, then analyzed using the Chi-square test. The results showed a significant association between temperature and the presence of mosquito larvae (p=0.000), while humidity was not significantly associated with larvae presence (p>0.05). Temperature was identified as a more influential environmental factor in supporting mosquito larvae existence than humidity in the study area. These findings highlight the importance of environmental-based vector control strategies, particularly through management of microhabitat temperature conditions, to support dengue prevention.

Dengue fever is a disease commonly found in tropical and subtropical regions. This disease can cause severe symptoms, such as very high fever, accompanied by nausea, vomiting, headache, abdominal pain, and leukopenia (decrease in white blood cells). This infectious disease, known as dengue hemorrhagic fever (DHF), is a viral infection transmitted by the Aedes Aegyppti mosquito. This study aims to classify dengue-prone areas using the K-Means Algorithm, and to classify the factors that cause dengue in Purwodadi District, Grobogan Regency. The clustering results using the K-Means algorithm with Rapidminer tool from 266 data produced 3 clusters: cluster 0 (blue) with 138 patients dominated by Kuripan, Purwodadi, Ngambak villages, cluster 1 (green) with 31 patients in Ngraji, Nambuhan, Cingkrong villages, and cluster 2 (orange) with 97 patients in Danyang, Kalongan, Pulorejo villages. This study is expected to provide additional information for stakeholders in controlling dengue cases and increase awareness of the importance of environmental cleanliness as a preventive measure.

Dengue Hemorrhagic Fever (DHF) remains a major public health problem in endemic areas, including Olat Rarang Hamlet, Labuhan Sumbawa Village. Effective dengue prevention requires active community involvement supported by entomological surveillance data. This community service activity aimed to enhance community awareness and participation in dengue prevention through the implementation of the 3M Plus Movement integrated with an entomological surveillance approach using the House Index (HI), Container Index (CI), and Breteau Index (BI) indicators. The activity was conducted on December 6, 2025, involving local community members and public health students. The methods included health education, larval surveys in houses and water-holding containers, and community-based mosquito breeding site eradication. The results indicated that houses and containers positive for Aedes larvae were still present, reflecting a moderate risk of dengue transmission. However, the implementation of the 3M Plus Movement improved community knowledge, awareness, and participation in vector control. Integrating the 3M Plus Movement with entomological surveillance is an effective promotive and preventive strategy based on community empowerment for sustainable dengue prevention.

Introduction: Dengue Hemorrhagic Fever (DHF) is a serious disease transmitted by the aedes aegypti mosquito. Dengue Hemorrhagic Fever (DHF) is an infectious disease transmitted through the bite of the Aedes aegypti mosquito and is still a public health problem. The high incidence of dengue fever is often caused by a lack of knowledge, attitudes, and actions of the community in carrying out appropriate prevention efforts. The goal is to identify the picture of community behavior in dengue prevention, including aspects of knowledge, attitudes, and actions. Method: was a quantitative descriptive with 100 respondents selected by random sampling in East Sidomulyo Village, Marpoyan Damai. Data were collected through questionnaires and analyzed univariately. Results: The variables of community behavior were obtained in the knowledge of most of the people who were low as many as 52 respondents (52%), most of the people's attitudes were obtained negative attitudes as many as 77 respondents (77%), the actions of the community mostly had less actions with the number of 59 respondents (59%), and the behavior of the community was relatively low. Conclusions and Suggestions: This study shows that the majority of the people of East Sidomulyo Village have lacking knowledge, attitudes, and actions in the prevention of dengue. Low preventive behavior is caused by a lack of knowledge and concern. Intensive, community based education is needed to raise awareness and preventive measures in an ongoing manner.

Dengue Hemorrhagic Fever (DHF) is a life-threatening disease caused by the dengue virus, which consists of four serotypes: DEN-1, DEN-2, DEN-3, and DEN-4. Laboratory examinations supporting DHF diagnosis include complete blood count, urine analysis, serological tests, and viral identification using Reverse Transcriptase Polymerase Chain Reaction (RT-PCR). Prevention efforts focus on eliminating Aedes aegypti mosquito larvae through the implementation of 3M Plus, as well as using mosquito bite prevention products such as aromatherapy candles that are simple and practical for community use. Mancasan Baki Village, Sukoharjo, has experienced a high incidence of dengue cases, including fatalities, highlighting the need for community education on the genetic characteristics and molecular diagnostics of the dengue virus and preventive measures using innovative products. Educational activities were conducted through community presentations and demonstrations on making aromatherapy candles. The effectiveness of the program was measured by comparing participants’ knowledge before and after the intervention. The average pretest score was 6.63, which increased to 8.89 in the posttest. Statistical analysis using a t-test showed a significant difference (p < 0.05). Participant satisfaction results indicated that 64.5% rated the program as good, 32.5% as very good, and 3% as fairly good.

This community service activity aimed to control the population of Aedes aegypti mosquitoes, which are the main vector of Dengue Hemorrhagic Fever (DHF), through the making and utilization of ovitraps in Sawa Village, Sawa District, North Konawe Regency. The methods applied in this program included field observation and door-to-door socialization to the community regarding the function, benefits, and procedure of making ovitraps. The socialization was designed to provide practical knowledge and raise awareness among residents about the importance of preventing mosquito breeding as part of DHF control efforts. A total of 30 households were involved as direct participants in this activity, and 30 ovitrap units were successfully made and distributed evenly to each household. The results showed that the community responded enthusiastically and expressed interest in adopting the ovitraps as a preventive measure. In addition, participants reported gaining new understanding about their active role in maintaining environmental health and reducing the risk of DHF transmission. The involvement of the community not only ensured that the ovitraps were effectively utilized, but also encouraged sustainable behavior in mosquito control practices. Overall, this program demonstrated that simple, low-cost, and community-based interventions such as ovitraps, combined with education and awareness campaigns, can contribute significantly to reducing the breeding sites of Aedes aegypti mosquitoes and lowering the potential spread of DHF in endemic areas.

Dengue Hemorrhagic Fever (DHF) is a disease that is often found in Indonesia. Efforts to prevent dengue fever need to be made because this disease is quite deadly. Community service was carried out at the Kebagusan Village Office, South Jakarta, which focused on training in the use of diagnostic kits by JUMANTIK cadres, Kebagusan Village. The method of this activity is in the form of socialization, introduction and training in the use of diagnostic kits for JUMANTIK cadres. This activity was attended by JUMANTIK RT 08 RW 04 cadres thereby increasing insight and knowledge of the use of malat diagnostic kits. The use of this diagnostic kit increases the work quality of JUMANTIK cadres to prevent dengue fever.

Dengue Hemorrhagic Fever (DHF) is an infectious disease caused by the dengue virus and transmitted through the bite of Aedes aegypti mosquitoes. In 2023, 48 cases of DHF were reported in the Kebun Lada Public Health Center area, reflecting a high incidence rate and limited medical resources in managing the cases. This situation emphasizes the need for an alternative solution that can support a fast and accurate diagnostic process. This study aims to develop an expert system for diagnosing DHF using the Case-Based Reasoning (CBR) method. CBR functions by comparing the symptoms experienced by patients with previous cases stored in the knowledge base, thereby producing relevant diagnostic recommendations. The proposed system is implemented as a web-based application using PHP as the programming language and MySQL as the database management system. The expected outcomes of this study are to assist medical personnel in reducing diagnostic time, improving the accuracy of decision-making, and increasing the effectiveness of health services in primary healthcare facilities. In addition, the system is designed to provide wider access for the community to recognize early symptoms of DHF, which can contribute to preventive actions and reduce the risk of severe complications. Thus, the developed expert system has the potential to become a practical solution to overcome the shortage of medical personnel and enhance public health awareness.

Dengue Hemorrhagic Fever (DHF) is an infectious disease caused by the dengue virus and transmitted through the bite of the Aedes aegypti mosquito. The high risk of dengue transmission is greatly influenced by the density of mosquito larvae which correlates with environmental conditions and community behavior. This study aims to describe the density level of Aedes aegypti mosquito larvae in the working area of the Gandus Health Center in Palembang City in 2025 through the measurement of House Index (HI), Container Index (CI), Breteau Index (BI), Larvae-Free Numbers (ABJ), and Density Figure (DF). The method used was descriptive observational with a purposive proportional random sampling technique on 100 households in three RTs. Data was collected through direct observation using checklist sheets. The results showed that the HI was 66%, CI was 44%, BI was 107%, and ABJ was only 34%, which indicates that the larval density is very high and far below the WHO standard (≥ 95%). The DF value is in the range of 7–9, reinforcing the finding of high vector density. This condition shows that the area is at high risk of dengue transmission. Interventions are needed in the form of regular mosquito nest eradication (PSN), increasing public education, and strengthening the role of jumantic cadres in sustainable vector control.

Dengue Hemorrhagic Fever (DHF) remains a significant public health challenge in Indonesia, with the increasing prevalence of cases every year. One of the key methods of controlling the spread of DHF is to target the vector, Aedes aegypti mosquitoes, by eradicating their larvae. However, the widespread and continuous use of chemical larvicides has raised concerns regarding the development of mosquito resistance and environmental pollution. This community service activity aimed to provide students at Duta Karya Vocational High School with knowledge and practical skills to use natural, eco-friendly alternatives for controlling mosquito larvae, focusing on papaya seeds (Carica papaya) and alum as natural larvicides. The methods for this activity included interactive counseling, a demonstration on how to produce larvicides using papaya seeds and alum, and an engaging question-and-answer session. Thirty 12th-grade students from the Pharmacy class participated in this activity. The results revealed that the activity was highly effective in increasing the students' understanding and practical ability to independently create and apply natural larvicides. The students expressed a high level of enthusiasm and interest in the topic, actively participating in the discussions and demonstrations. As a result of this community service, the school has expressed interest in incorporating this activity into its School Health Unit (UKS) work program, which will further promote the use of natural, sustainable methods for controlling mosquito populations. The students, now equipped with the necessary skills, are ready to become "jumantik" cadres—community health volunteers responsible for monitoring and preventing mosquito larvae development. This initiative also raised awareness about utilizing organic waste, such as papaya seeds, to create valuable products for the prevention of DHF.

Through seminars and leadership training, the goal of this community service project is to identify an effective leadership model that will enhance the work ethic of Jumantik employees in Setu Village, East Jakarta. Participating in the Effective Leadership program in enhancing work ethics were 100 Jumantik cadres from the village, the heads of the Development of Family Welfare of Setu Village, Cipayung District, and RW in the Setu Village neighborhood of East Jakarta. Lecture and coaching techniques are used in the training process. As a result of this training, a leader must employ effective leadership techniques to enhance work ethic when overseeing Jumantik cadres. To improve the motivation, accountability, and discipline of Jumantik cadres, one successful leadership model employs a transformational and participatory leadership style. This approach encourages open communication and fosters a sense of belonging among the cadres. It has been demonstrated that cadres who regularly monitor mosquito larvae perform better under leadership that offers clear guidance, emotional support, and active involvement in decision-making. Furthermore, the training emphasizes the importance of collaboration and teamwork, which are essential for achieving common goals. Jumantik cadre supervisors are advised to participate in leadership training since effective leadership would facilitate the development of a more inclusive and cooperative leadership model. Thus, it is anticipated that the effective sub-district eradication of Dengue Hemorrhagic Fever (DHF) will be facilitated by the adoption of the appropriate leadership paradigm, ultimately leading to healthier communities and improved public health outcomes. This is expected to make the public more vigilant and protected from potential online fraud in the future. Furthermore, increased legal literacy is expected to create a safer and more trustworthy digital transaction ecosystem for all parties.

In early 2024, deaths from Dengue Hemorrhagic Fever (DHF) increased again in Indonesia, with the number of cases higher than the previous year. This condition raises concerns because DHF remains a serious public health problem. The World Health Organization (WHO) emphasized that the key to reducing mortality lies not only in early detection but also in public access to fast, effective, and equitable health services. This statement aligns with the second point in the document "National Dengue Control Strategy 2021–2025" issued by the Ministry of Health, in which the government is committed to strengthening health security. In efforts to ensure this strengthening, public participation plays a crucial role, particularly through the public oversight function channeled through the media. The media acts as a bridge of information and a tool of social control over government performance, including in monitoring the provision of health services by BPJS Kesehatan. This study aims to analyze how news about health security reaches the public, using Brand24 media monitoring as an analytical tool. The research method used was descriptive qualitative, focusing on mapping issues, sentiments, and narratives developing in the digital space. The analysis showed that news containing the keyword "BPJS Kesehatan" was dominated by positive news, with several minor topics discussing aspects of public service. This finding indicates a media tendency to project a positive image of the institution, although further study is needed regarding media bias in the context of health security reporting in Indonesia. Future research is expected to explore the relationship between media framing, public interest, and the effectiveness of national health programs.  

Dengue Hemorrhagic Fever (DHF) is an infectious disease caused by the dengue virus (DENV), which is transmitted through the bite of Aedes aegypti mosquitoes. These mosquitoes act as the primary vectors carrying the dengue virus. The spread of DHF primarily occurs in tropical and subtropical regions. Mosquito control can be carried out using various methods, one of which is chemical control. However, the long-term use of chemical insecticides may lead to mosquito resistance, highlighting the need for safer alternatives to synthetic insecticides. One such alternative is the use of plant-based extracts. The butterfly pea plant (Clitoria ternatea) has shown potential as a natural larvicide due to its content of flavonoids, tannins, and anthocyanins, which function as antioxidants and are toxic to mosquito larvae. This study aims to determine the potential of Clitoria ternatea flower extract as a natural larvicide against Aedes aegypti larvae. The results of the effectiveness test showed that Clitoria ternatea flower extract has significant larvicidal potential against Aedes aegypti larvae. Observed larval mortality at 24 hours was 22 larvae at 10% concentration, 23 larvae at 50%, and 25 larvae (100%) at 100% concentration. The LC₅₀ value obtained from the test was 36.78%, indicating the extract's potency as a natural larvicide.

Dengue Hemorrhagic Fever (DHF) remains a major public health concern in Pidie Regency, Indonesia. Although digital surveillance systems such as SKDR have been introduced, the effectiveness of dengue control still largely depends on the role and capacity of surveillance officers. This study aimed to explore the experiences of dengue surveillance personnel in Pidie Regency, focusing on their knowledge, reporting mechanisms, encountered challenges, and expectations regarding the surveillance system. A qualitative method with a phenomenological design was employed, involving 11 purposively selected informants. Data were gathered through in-depth interviews and analyzed using the Miles and Huberman framework, encompassing data reduction, data display, and conclusion drawing. The analysis revealed six main themes: officers' knowledge and understanding of dengue, sources of data and case collection methods, the use of digital applications for reporting and analysis, implementation challenges in the field, cross-sectoral roles and support from village governments, and officers' expectations for improvement. The findings highlight that limited resources, technical issues, and insufficient intersectoral collaboration hinder effective surveillance. Strengthening the surveillance system requires responsive strategies that consider on-the-ground challenges. A deeper understanding of surveillance officers’ field experiences is crucial for developing adaptive and sustainable public health interventions for dengue control.

Dengue Hemorrhagic Fever (DHF) is transmitted through the bites of Aedes aegypti and Aedes albopictus mosquitoes. Efforts that can be made to reduce the incidence of dengue fever are through the 3M plus movements (draining, burying and covering) and carrying out preventive activities such as sprinkling larvicide powder, using mosquito repellent, and planting mosquito repellent plants. The aim of this community service is to increase public knowledge about recognizing and preventing dengue fever as an effort to prevent and control the disease. The activities were carried out at Padukuhan Nologaten, Caturtunggal Village, Sleman Regency, Yogyakarta Province in May-June 2024. The activities carried out include situation analysis, preparation, implementation, monitoring and evaluation, and analysis and reporting. The participants of this activity numbered 37 people with the majority aged 46-65 years (48%) and college education background (48%). The average level of community knowledge about the prevention and control of dengue fever before counseling (pre-test) was good (89%) and sufficient (11%) and after counseling, the level of community knowledge increased to good (95%).

Dengue Hemorrhagic Fever (DHF) is one of the serious public health problems in Indonesia, including in Rada Mata Village. DHF prevention is highly dependent on community behavior, especially housewives, who play an important role in maintaining environmental cleanliness. Objective: This study aims to determine the relationship between the level of knowledge and attitude with maternal actions regarding DHF prevention in Rada Mata Village. Method: This study used an analytical study design with a cross-sectional approach. The sample consisted of 100 mothers selected through purposive sampling technique. Data were collected using a structured questionnaire that measured the level of knowledge, attitude, and DHF prevention actions. Data analysis was performed using the chi-square test. The results showed that there was a significant relationship between the level of knowledge and DHF prevention actions (p = 0.002), as well as between attitude and DHF prevention actions (p = 0.001). Conclusion: The level of knowledge and attitude of mothers is closely related to DHF prevention actions. Efforts are needed to improve education and health promotion for housewives to reduce the incidence of DHF in Rada Mata Village.    

Dengue Hemorrhagic Fever (DHF) is an acute infectious disease caused by the dengue virus and transmitted by the Aedes aegypti mosquito. DHF remains a significant public health concern in Indonesia, including in Aceh Province, which reports a high incidence rate annually. North Aceh ranks seventh in the number of DHF cases among all districts/cities in the province. Transmission occurs through the bite of an infected mosquito or when mosquitoes acquire the virus after biting a viremic individual. This study aims to assess environmental and host factors among DHF patients admitted to Cut Meutia General Hospital. A descriptive study with a cross-sectional design was conducted, involving 38 patients aged 1–17 years hospitalized from January 2019 to December 2021. The findings revealed that 78.9% of patients lived in homes without window screens, and 89.5% had water storage containers in their household environment. Regarding host factors, the majority of patients were aged 11–17 years (65.8%) and male (81.6%), with moderate levels of knowledge (55.3%) and preventive behavior (65.8%) toward DHF. These findings highlight the relevance of environmental and individual determinants in the occurrence of DHF and may inform future disease prevention and control strategies in endemic areas.

Dengue fever is an acute infectious disease caused by the dengue virus and transmitted primarily by the Aedes aegypti mosquito in urban environments and Aedes albopictus in rural settings. This disease is endemic in many tropical and subtropical regions and is a significant public health concern due to its potentially severe clinical manifestations. This case study presents an 8-year-old boy who was admitted to the hospital with complaints of a high-grade fever lasting for approximately three days. The fever was intermittent and accompanied by chills, which raised suspicions of a viral infection. In addition to fever, the patient also experienced dizziness with a spinning sensation, occasional cough, and flatulence. A thorough clinical evaluation was conducted, including history taking, physical examination, and supporting laboratory tests. Based on the clinical findings and laboratory results, the patient was diagnosed with dengue hemorrhagic fever (DHF) grade I. DHF grade I is characterized by fever, positive tourniquet test, and evidence of plasma leakage without spontaneous bleeding. The patient was managed with supportive therapy, including fluid replacement and close monitoring of vital signs and hematocrit levels to prevent the progression to more severe stages of dengue. No significant complications occurred during the hospital stay. After a period of observation and clinical improvement, the patient was discharged in good condition. This case highlights the importance of early recognition and accurate diagnosis of DHF in pediatric patients, especially in endemic areas. Prompt and appropriate management is essential to prevent complications and ensure recovery. Continuous public health education and vector control remain key strategies in reducing dengue incidence and severity.