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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) 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.

Dengue Hemorrhagic Fever (DHF) is a disease caused by the dengue virus which is transmitted through the bite of Aedes aegypti or Aedes albopictus. This mosquito is a fast-growing mosquito and causes nearly 390 million people to be infected every year. The symptoms of Dengue Hemorrhagic Fever are similar to dengue fever. Dengue Hemorrhagic Fever has several other symptoms such as continuous heartburn, bleeding in the nose, mouth, gums, and bruising on the vector's skin. Dengue Hemorrhagic Fever (DHF) is an infectious disease that often causes outbreaks and causes death, especially in children. The One House One Jumantik Movement (G1R1J) is community participation and empowerment by involving every family in examining, monitoring and eradicating mosquito larvae to control vector-borne diseases, especially dengue fever, through the cultivation of 3M PLUS Mosquito Nest Eradication. 

Dengue Hemorrhagic Fever (DHF) is an infectious disease that can be prevented by creating a clean and healthy surrounding environment and our behavior or personal hygiene to prevent mosquito breeding. Teenagers are the nation's next generation who need to be given knowledge about dengue prevention. The aim of this community service is to increase the knowledge of Nurul Haq Madania Bantul orphanage students about personal hygiene and dengue prevention. The method of this activity is by means of lecture and question and answer. The number of orphanage students who took part in this activity was 28 people, but there were 2 people who did not participate until the end. The results obtain that this community service activity is a form of applying health knowledge from the community service team and has been able to increase the knowledge of Nur Madania Orphanage students about dengue fever prevention and personal hygiene.

Dengue fever is still one of the main health problems that threaten people in Indonesia, including Jambi City. Tahtul Yaman neighbourhood, Jambi Province is one of the residential areas that has dengue fever data. In general, most residents use water tanks, the environment looks less clean, and there are still puddles and water reservoirs in the homes of some residents. This activity aims to provide knowledge and understanding to the community about dengue fever and its mitigation strategies, with an emphasis on prevention through vector control, especially the Aedes aegypti mosquito. This counselling will be focused on the Tahtul Yaman Village community. The method used was lecture method and interactive discussion using powerpoint, posters and leaflets on DHF and 3M Plus. After the education, there was an increase in knowledge reaching 89.25%. It is suggested that prevention efforts should focus on controlling the larval population and minimising mosquito breeding sites. Mosquito eradication programmes such as 3M Plus need to be carried out routinely and involve the active participation of the entire community. Effective dengue prevention will create a healthier and safer environment for the community.

Dengue fever is still one of the main health problems that threaten people in Indonesia, including Jambi City. Tahtul Yaman neighbourhood, Jambi Province is one of the residential areas that has dengue fever data. In general, most residents use water tanks, the environment looks less clean, and there are still puddles and water reservoirs in the homes of some residents. This activity aims to provide knowledge and understanding to the community about dengue fever and its mitigation strategies, with an emphasis on prevention through vector control, especially the Aedes aegypti mosquito. This counselling will be focused on the Tahtul Yaman Village community. The method used was lecture method and interactive discussion using powerpoint, posters and leaflets on DHF and 3M Plus. After the education, there was an increase in knowledge reaching 89.25%. It is suggested that prevention efforts should focus on controlling the larval population and minimising mosquito breeding sites. Mosquito eradication programmes such as 3M Plus need to be carried out routinely and involve the active participation of the entire community. Effective dengue prevention will create a healthier and safer environment for the community.

The public health quandary in Indonesia encompasses the presence of Dengue Hemorrhagic Fever (DHF). DHF is frequently encountered in tropical and subtropical regions. The World Health Organization (WHO) has recorded Indonesia as the nation with the highest incidence of DHF in Southeast Asia. To avert DHF, it is imperative to engage in routine eradication of mosquito breeding grounds. Moreover, augmenting public cognizance and comprehension regarding DHF prevention through educational outreach is of paramount importance. The objective of this initiative is to ascertain the level of knowledge about DHF among students at SDN 18 Delta Pawan, Delta Pawan District, Ketapang Regency. The methodology employed includes lectures, discussions, and Q&A sessions, with a sample size of 35 respondents. The findings revealed that the students' knowledge at SDN 18 Delta Pawan fell into the High category for 12 students (34.3%) and the Low category for 23 students (65.7%). It can be inferred that this educational outreach was fairly beneficial in enhancing the students' knowledge about dengue hemorrhagic fever at SDN 18 Delta Pawan.

Abstract. Dengue Hemorrhagic Fever (DHF) is an infectious disease caused by the dengue virus and transmitted through the bite of the Aedes aegypti mosquito. This disease continues to be a serious health problem in Indonesia, with high incidence rates in various regions, including rural areas. Efforts to prevent DHF are often focused on controlling mosquito vectors through various methods, one of which is the use of insecticides. However, the use of chemical insecticides can have negative impacts on human health and the environment. Therefore, this research develops a natural alternative in the form of Anti Mosquito Spray and Hand Sanitizer made from lemongrass (Cymbopogon citratus). Lemongrass was chosen because it contains citronella, a compound proven to have activity as a repellent or mosquito deterrent. This study aims to evaluate the effectiveness of lemongrass-based mosquito repellent spray as well as its capability as a hand sanitizer. The results show that this product is not only effective in preventing mosquito bites but also safe to use as a hand sanitizer, making it a practical and environmentally friendly solution in the prevention of DHF. Abstrak. Demam Berdarah Dengue (DBD) merupakan penyakit menular yang disebabkan oleh virus dengue dan ditularkan melalui gigitan nyamuk Aedes aegypti. Penyakit ini terus menjadi masalah kesehatan serius di Indonesia, dengan tingkat kejadian yang tinggi di berbagai wilayah, termasuk daerah perdesaan. Upaya pencegahan terhadap DBD sering kali difokuskan pada pengendalian vektor nyamuk melalui berbagai metode, salah satunya adalah penggunaan insektisida. Namun, penggunaan insektisida kimia dapat berdampak negatif terhadap kesehatan manusia dan lingkungan. Oleh karena itu, penelitian ini mengembangkan alternatif alami dalam bentuk Anti Mosquito Spray and Hand Sanitizer yang berbahan dasar serai (Cymbopogon citratus). Serai dipilih karena mengandung senyawa sitronela yang terbukti memiliki aktivitas sebagai repelan atau pengusir nyamuk. Penelitian ini bertujuan untuk mengevaluasi efektivitas spray anti nyamuk berbahan dasar serai serta kemampuannya sebagai pembersih tangan. Hasil penelitian menunjukkan bahwa produk ini tidak hanya efektif dalam mencegah gigitan nyamuk, tetapi juga aman digunakan sebagai pembersih tangan, sehingga dapat menjadi solusi praktis dan ramah lingkungan dalam upaya pencegahan DBD.

One of the health problems in society that still occurs a lot is dengue fever. dengeu (DHF). This viral disease is usually transmitted through the bite of the mosquitoes Aedes aegypti and Aedes albopictus. Until now, dengue fever disease has not yet been controlled, preventive programs in the community have also not been preventive programs in the community have also not been fully realized because the outbreak of this disease is increasingly showing high high numbers. Dengue fever is strongly influenced by environmental factors. Environment. An unhealthy and contaminated environment is very prone to the occurrence of various diseases including dengue fever. Other than that social factors can also affect human health such as economic conditions, education, and government policies. This activity was carried out on date in Truko Village, Kangkung Sub-district, Kendal Regency. The form of This activity is an action to prevent and break the chain of the spread of dengue fever in the spread of dengue fever in the Truko village area

Dengue Hemorrhagic Fever (DHF) remains a serious health issue in Semarang City, particularly in Bandarharjo Sub-district. In an effort to address this problem, a community service activity titled "Socialization of Dengue Fever and Practice of Making Ovitrap in Bandarharjo Sub-district, Semarang" was conducted. The main objective of this activity is to increase public knowledge about the dangers of DHF and its prevention methods, with a focus on making simple ovitraps as one of the methods to control the population of Aedes aegypti mosquitoes. The event was attended by health cadres from RW. 6 in Bandarharjo Sub-district, with 27 participants actively participating. The topics covered included information about DHF, Aedes mosquitoes, the WINGKO program (Wolbachia in Semarang City), and the practice of making ovitraps. The outcome of this activity is expected to enhance public awareness of DHF, reduce DHF cases, and improve the community's ability to prevent DHF independently.

This community service is conducted in the form of public health initiatives aimed at combating dengue hemorrhagic fever (DHF) in Indonesia. These initiatives are implemented in Labuh Baru Timur Village, RT 02/08, located in Payung Sekaki District, Pekanbaru City, Riau Province. The target beneficiaries of these activities include toddlers, children, adolescent girls, housewives, and the broader community. The primary objective of this community service endeavor is to enhance the knowledge of the targeted partner communities, particularly mothers who are members of POSYANDU (integrated health post), PUSKESMAS (community health centers), doctors, and village midwives, regarding the causes, consequences, and prevention strategies related to dengue hemorrhagic fever (DHF). The methods employed for executing this community service activity involved conducting household visits and organizing discussions on dengue hemorrhagic fever (DHF). Data about participants’ understanding of DHF were collected through pre-test and post-test questionnaires. The anticipated outcome of these efforts is to reduce the incidence of dengue hemorrhagic fever (DHF) and minimize its impact on affected individuals. In instances where residents are diagnosed with DHF and necessitate hospitalization, the objective is to facilitate their prompt and full recovery, thereby enabling them to resume their daily routines, including school attendance.

Aides aegypti or Aides albopictus is a type of mosquito that carries and transmits dengue virus to humans. Dengue hemorrhagic fever appears as an Extraordinary Event (KLB), causing panic in the community because it has the risk of causing death and spreads very quickly. Based on records from the Directorate for Prevention and Control of Infectious Diseases (P2PM) until Week 36, the cumulative number of confirmed cases of DHF from January 2022 was reported as 87,501 cases (IR 31.38/100,000 population) and 816 deaths (CFR 0.93%). Sampang Regency, East Java, is currently starting to anticipate the possibility of an outbreak of dengue fever. After the local regency government released three districts that were considered prone to Dengue Hemorrhagic Fever (DHF), namely Sampang District, Omben District and Torjun District. The Health and Family Planning Service (Dinkes-KB) of Sampang Regency, East Java, noted that cases of dengue hemorrhagic fever (DHF) in the area have decreased in 2021 compared to the number of cases that occurred in previous years. This study aims to determine the implementation of dengue hemorrhagic fever (DHF) prevention policies in Sampang District and what are the inhibiting factors. In this study, researchers used a qualitative descriptive method that used data collection such as interviews, observation and documentation studies. Based on the research results in assessing the Implementation of Dengue Hemorrhagic Fever (DHF) Management Policies in Sampang Regency, it has not been maximized when viewed from several indicators of evaluating the implementation of public policies, namely (1) Policy resources such as a lack of health workers, sufficient health facilities and funds, (2) ) the disposition or attitude of the executors is not firm and the lack of community participation in PSN activities, (3) economic, social and political conditions that are not conducive.