Current conditions show that the coronavirus is not an epidemic that can be ignored. When viewed from the symptoms, ordinary people would think that it was only common influenza, but for medical analysis, this virus is quite dangerous and deadly. Currently, the effort that can be done to avoid the transmission of Covid-19 is to take preventive measures as early as possible. This article aims to review the extent of knowledge of Literature Review by reviewing five papers from the Science Direct and Google Scholar databases. The results showed that the five articles reviewed showed that students, health workers, and the general public gained independent knowledge about Covid-19 in different ways. The knowledge is formed from information obtained from the internet and social media, TV, newspapers/magazines, discussions with peers, and from lessons learned in college. Therefore, the government should pay attention to the dissemination of information related to Covid-19 so that the public can receive accurate information as an effort to form knowledge so that accurate preventive measures can be obtained against Covid-19 in the community.

There is 89.02% urban/rural yet On Defecation Free (ODF) in Regional of Majene. Factors affecting the formation of village ODF is community behavior. The aim of this study was to describe behavior of society (knowledge, attitudes, and actions) towards the establishment of ODF village in Regional of Majene. Qualitative research methods carried out in Tande Timur and Adolang Dhua Village with descriptive design. The number of informants as many as 29 people (22 people informant ordinary and 7 key informants). Data processing begins with coll (place holder) ecting the results of the interview are processed, according to the studied variables and the contents analyzed and presented in manuscript form. The research result shows that the knowledge, attitudes and actions of people is good and supports the formation of ODF in the Village of Tande Timur. Knowledge and attitudes of people in the village Adolang Dhua is good yet the action not support to become ODF village.

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Background: Waste is one of the most serious environmental problems being faced by people in Indonesia. The waste generated every day mostly comes from household activities as much as 37.3%, both organic and non-organic waste. Waste problems are influenced by many factors, one of which is community behavior, including the resulting waste is even disposed of in various places or burned around the residents' residences, the effect of which will damage the surrounding environment. Purpose of this study was to determine and analyze the effect of the emo demo method on the knowledge, attitudes, and actions of waste sorting in the district. Mamuju. Method: This study uses a non-equivalent pre-post test control group design. The sample in this study is housewife in Ex. Binanga as the control group as many as 25 people and Batu Pannu Village as the intervention group as many as 40 people Results of this study indicate that there are differences in knowledge, attitudes, and actions regarding waste sorting before and after counseling with the emo demo method, there are no differences in knowledge, attitudes, and actions regarding waste sorting before and after counseling with the triggering method. Conclusions and suggestions in this study are counseling with the emo demo method can increase knowledge, attitudes, and actions in sorting waste, it is suggested to policymakers to be able to use the emo demo method for sanitation programs. Key words: emo demo, waste sorting, triggering.

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