Covid-19 is an infectious disease that is closely related to a person's nutritional status, for the fulfillment of nutrition- a mother in a family has a very important role in fulfilling the nutrition of family members (Ministry of Health of the Republic of Indonesia, 2020). The purpose of this webinar activity is to increase the knowledge of a mother in family welfare program in RW 02 Pulo gebang - Cakung, East Jakarta regarding the importance of fulfilling the nutrition of family members who will be directly related to individual health. A total of 17 respondents participated in the webinar using a qualitative analysis approach using 3 stages of activities, (1) measuring initial knowledge with pre-test, (2) treatment by learning material in the form of a webinar, ending the re-measurement of knowledge after the delivery of material in the form of post- test. The results of the presentation of the material were said to be successful because the final results showed that there were 76.5% of participants having increased knowledge.abstrakCovid-19 merupakan penyakit infeksi yang erat kaitannya dengan status gizi seseorang, untuk pemenuhan gizi dalam keluarga- seorang ibu memiliki peran yang sangat penting dalam pemenuhan gizi anggota keluarga (Kementerian Kesehatan RI, 2020). Tujuan kegiatan webinar ini adalah untuk meningkatan pengetahuan ibu-ibu PKK di RW 02 Kelurahan Pulo gebang, Kecamatan Cakung, Jakarta Timur mengenai pentingnya pemenuhan gizi anggota keluarga yang akan langsung berhubungan dengan kesehatan individu. Sejumlah 17 ibu PKK mengikuti webinar menggunakan metode pendekatan secara analisis kualitatif menggunakan 3 tahapan kegiatan yaitu (1) mengukur pengetahuan awal dengan pre-test, (2) treatment berupa pembelajaran materi dalam bentuk webinar, diakhiri pengukuran kembali pengetahuan setelah penyampaian materi dalam bentuk post-test. Hasil pemberian materi dikatakan berhasil karena hasil akhir menunjukkan bahwa terdapat 76,5% peserta memiliki peningkatan pengetahuan.

Introduction: Dengue Hemorrhagic Fever (DHF) is a zoonotic disease that is most wary because the cases reported by WHO increased quite drastically from 2.4 million cases to 5.2 million cases in 2010-2019 globally. In 2020, the DHF rate increased by 953,476, and the majority occurred in tropical countries. In response to this, WHO emphasized that climate and weather variables can play an important role in predicting the DHF outbreak. This article was written to find out the impact of climate change on the incidence of DHF. Discussion: The literature review method was used in writing this article by utilizing article searches in online databases, namely PubMed, DOAJ, Proquest, and Science Direct. Amount 11 articles related to the title have been selected as literacy materials. Climatic variables consisting of temperature, rainfall, and humidity have the potential to increase the incidence of DHF. Conclusion: It can be concluded that climate change indicators can affect the breeding place of the Aedes aegypty, making the various incidence of DHF cases in tropical or subtropical countries. This can be an early warning for each region always to carry out active surveillance in detecting the risk of increasing DHF cases in certain weather.