5% (95% confidence interval [CI]26.0-35.2) and 8.3% (95% CI 7.0-9.8), respectively. The quarter level isolation rate of species was 38.6% (95% CI 30.1-47.6). Five species namely , and were identified. The latter two are CNS and were identified for the first time in Ethiopia. https://www.selleckchem.com/products/SNS-032.html Antimicrobial susceptibility testing showed none of the isolates of , 100% of , and 87.5% of species were multidrug-resistant. The independent predictors of mastitis (p<0.05) were the age of the cows, stage of lactation, type of housing, the interval of bedding cleaning, and previous history of mastitis. The study showed a high prevalence of mastitis, species, and multidrug resistant , and in Zebu cows. The study showed a high prevalence of mastitis, Staphylococcus species, and multidrug resistant S. lentus, and S. sciuri in Zebu cows. The ability of to form biofilms is associated with high mortality and treatment costs. Established biofilms cannot be eradicated by many conventional antibiotics due to the development of antibiotic tolerance by . Here we report the synthesis and biological characterization of novel small-molecule compounds with antibiofilm activity. Chromone 5-maleimide substitution compounds (CM3a) showed favorable antibacterial activity against . CM3A with antibacterial activity was synthesized and screened. The minimum inhibitory concentration (MIC) of CM3a were determined by the broth microdilution method. Biofilm eradication assay and colony count methods were used to investigate the effect of CM3a on biofilm disruption and killing. Changes in biofilm architecture when subjected to CM3a, were visualized using confocal laser scanning microscopy (CLSM). CCK-8 assay and survival rate of larvae were used to test the toxicity of CM3a. The minimum inhibitory concentration (MIC) of CM3a against was about 26.4 μM. Biofilm staining and laser scanning confocal microscopy analysis showed that CM3a eradicated biofilms by reducing the viability of the constituent bacterial cells. On the other hand, CM3a showed negligible toxicity against mouse alveolar epithelial cells and larvae. Chromone derivatives CM3a has therapeutic potential as a safe and effective compound for the treatment of infection. Chromone derivatives CM3a has therapeutic potential as a safe and effective compound for the treatment of S. aureus infection.The COVID-19 pandemic has caused a global public health crisis. Taiwan experienced two waves of imported cases of coronavirus disease 2019 (COVID-19), first from China in January to late February, 2020 then from other countries starting in early March. As of Dec 14, 2020, 733 cases have been reported in Taiwan, with cases of entire families being infected. This study aimed to investigate the clinical characteristics and differentiation of genetic variation among isolates from a cluster of familial COVID-19 infection. The parents had pneumonia (Case 14, father, and Case 15, mother), the elder son (Case 17) had mild cough, and the younger son (Case 18) was asymptomatic. In this study, four full viral genomes were sequenced by Illumina sequencing directly from specimens. Phylogenetic tree analysis revealed that these sequences came from Italy, not China, indicating that no major strain has been circulating in Taiwan. Several novel mutations were observed in the asymptomatic patient, such as nsp2, nsp12, and nsp14. These mutations may be associated with the severity of COVID-19 infection. Measles is a serious respiratory disease that is spread easily through coughing and sneezing of the measles virus for which humans are the only reservoir. Even though prevention and elimination strategies had been implemented, the outbreaks of measles infection quietly occur in different parts of the world. As of November 2019 a suspected measles outbreak was reported from Tepi campus student's clinic. We investigated the outbreak to determine its possible sources, control measures and identify associated risk factors among students of Mizan-Tepi University. A facility based unmatched case-control study was conducted. An interviewer administered questionnaire was used to collect the data. Data were cleaned and entered to Epi-info7 and analyzed using SPSS-20. A logistic regression analysis was conducted to identify risk factors associated with measles outbreak at a p-value ≤0.05. A total of 40 measles cases were reported during the investigation. The probable source of the outbreak was an index case who infection. Reduction in the level of protective antibodies over time may accelerate transmission of measles in the campus. Strengthening case-based surveillance and supplemental measles vaccination are imperative. The novel coronavirus disease 2019 (COVID-19) has posed a great threat to the public. University students living in school compound with groups and sharing a common cafeteria are more susceptible to contract and spread the virus. Risk perception multiplies fear and anxiety that triggers precautionary action. However, research is scant in this particular field. To assess the perceived risk of COVID-19 and its associated factors among University Students in Northeast Ethiopia during school reopening. Institution-based cross-sectional study was conducted among 682 Debre Berhan University students from December 1-15, 2020, when students just get back to school. Data was collected using a structured and pre-tested questionnaire. A multistage sampling technique was used to select study subjects. Data were cleaned and entered into Epi-Data version 4.6 and exported to SPSS version 25 software for analysis. Descriptive statistics, bivariable and multivariable logistic regression analysis were run to summarize thversity students. University students perceived a low risk towards COVID-19 pandemics at the time of school resumption. It was influenced by students' demographic characteristics, co-morbidities, social media, and information sources. The Ministry of Health and Ministry of Education should properly promote risk communication among university students. Asthma, obesity and physical activity (PA) are interrelated. However, longitudinal data with objective PA measures and direct assessment of body composition are still lacking. To study the impact of symptom control on PA and body composition. In a longitudinal cohort study of the German Center for Lung Research, we assessed the body composition of 233 asthma patients and 84 healthy controls using bioelectrical impedance analysis. PA (ie average daily steps and time of at least moderate activity, steps/min) was measured by accelerometry for one week. Asthma control was assessed by ACT score, ACQ-5 score and history of severe exacerbations. After two years of follow-up, we studied changes in physical activity and body composition in relation to asthma control. Patients with uncontrolled asthma had increased fat mass and decreased muscle mass compared to patients with controlled asthma or healthy controls. Both fat mass and muscle mass correlated better with asthma control than the body mass index (BMI).