Background: To curb Corona Virus Diseases 2019 (COVID-19) pandemic and Hepatitis B further spread, the local Health Ministry collaborated with local communities to build COVID-19 and Hepatitis B Ambassador. This program utilizes the youth generation to support health promotion and health prevention.
Infectious diseases are common problems in most countries. Streptococcus pyogenes is the infectious agent that causes diseases such as pharyngitis, impetigo, toxic shock syndrome, and necrotizing fasciitis. Tembelek (Lantana camara) is a wild plant that can easily be found in every ecosystem in Indonesia whether in nature or settlements and known as a plant that has an antibacterial effect but the knowledge about its potential against Streptococcus pyogenes in this past five years remain scant. The aim of this study was to determine the potentiality of Lantana camara leaves and flowers extract against Streptococcus pyogenes. In this experimental study, in vitro using Post-test Only Control Group Designed, has been done and confirmed by the Indonesian Institute of Sciences. Lantana camara leaves and flowers extracts were obtained by maceration using ethanol. The extracts were diluted into eight concentrations and their antibacterial activity against Streptococcus pyogenes was tested using the Kirby-Bauer disc then proceeded Minimum Inhibitory Concentration (MIC) test and phytochemical assay. The data processed using SPSS software version 22. The results showed that flowers extract had the most significant inhibition zone (11.85 ± 0.119 mm) compared with the leaves extract (9.54 ± 0.07 mm) at the highest tested concentration was 640 mg/ml. The MIC of both extracts was 250 mg/ml. Flavonoids, phenolic, steroids, and saponins were found in both extracts whereas, alkaloid was found only in flowers extract. In conclusion, the Tembelek plant has an antibacterial effect against Streptococcus pyogenes. Future study is needed related to its mechanism of antibacterial effect. Keywords : Antibacterial potential, Lantana camara; Streptococcus pyogenes
COVID19 pandemic became the primer focus of health problem by the government since the case was increasing every month in 2020. The impact of this pandemic was spread quickly across many areas including Surabaya city. Youth generation often found to be a silent source of infection. Furthermore, young people behavior often ignoring health prevention policy makes the infection more easily to spread. This condition might be because of their knowledge regarding COVID19 was relatively not enough. Factor that may affect their knowledge are varies including knowledge of city of residence. This study aims to evaluate the correlation between knowledge about city of residence with youth generation knowledge of COVID19 as this factor has not yet been studied before in Indonesia. We conducted an analytical cross-sectional with an online survey for youth generation across Surabaya to understand their knowledge concerning Surabaya and COVID19. A total of 57 participants were voluntarily enrolled in this study. The result data were analyzed statistically. There is significant positive correlation between participants’ knowledge of Surabaya city with knowledge of COVID19 (r= 0.314; p= 0.017). Furthermore, knowledge of COVID19 was significantly different between youth who have better knowledge of Surabaya than lower knowledge (p= 0.021). Knowledge of Surabaya city was correlated with knowledge of COVID19. Youth who have better knowledge regarding their city of residence seem to have better knowledge of COVID19. Knowledge concerning city of residence proven to be important in order to increase knowledge of COVID19 in youth generation.
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