Mississippi

密西西比州
  • 文章类型: Journal Article
    全球农业贸易加速了新植物病原体的出现和重新出现。在美国,真菌病原体Colletotrichumliriopes仍然被认为是影响观赏植物的外国检疫病原体,即,Liriopespp.尽管该物种在东亚的各种天冬酰胺寄主上有报道,它在美国的第一份也是唯一一份报告是在2018年。然而,该研究仅使用ITSnrDNA进行鉴定,没有保留可用的培养物或凭证样本。本研究的主要目的是确定被鉴定为C.liripes的标本的地理和寄主分布。要做到这一点,新的和现有的分离株,序列,和从各种宿主和地理位置获得的基因组(即,中国,哥伦比亚,墨西哥,和美国)与前类型的C.liripes进行了比较。多位点系统发育(ITS,Tub2,GAPDH,CHS-1,HIS3),系统发育,和分裂树分析表明,所有研究的分离株/序列都形成了一个支持良好的进化枝,种内变异很小。形态学表征支持这些发现。最小跨越网络,低核苷酸多样性,和阴性田岛的D来自多位点和基因组数据,表明最近有一些东亚基因型向生产观赏植物的其他国家移动/入侵(例如,南美)和,随后,对进口国来说,比如美国。研究表明,严格的C.liriopessensustricto的地理和寄主分布已扩展到美国(即,至少是马里兰州,密西西比州,和田纳西州)以及除天门冬科和兰科以外的各种寄主。本研究产生的基本知识,可用于努力减少农业贸易的成本或损失,扩大我们对病原体运动的理解。
    Global agricultural trade has accelerated the emergence and re-emergence of new plant pathogens. In the United States, the fungal pathogen Colletotrichum liriopes is still considered a foreign quarantine pathogen that affects ornamental plants (i.e., Liriope spp.). Even though this species has been reported in East Asia on various asparagaceous hosts, its first and only report in the United States was in 2018. However, that study used only ITS nrDNA for identification, and no available culture or voucher specimen was maintained. The main objective of the present study was to determine the geographic and host distribution of specimens identified as C. liriopes. To accomplish this, new and existing isolates, sequences, and genomes obtained from various hosts and geographic locations (i.e., China, Colombia, Mexico, and the United States) were compared with the ex-type of C. liriopes. Multilocus phylogenetic (ITS, Tub2, GAPDH, CHS-1, and HIS3), phylogenomic, and splits tree analyses revealed that all the studied isolates/sequences form a well-supported clade with little intraspecific variation. Morphological characterizations support these findings. The minimum spanning network, low nucleotide diversity, and negative Tajima\'s D from both multilocus and genomic data suggest that there was a recent movement/invasion of a few East Asian genotypes to other countries where the ornamental plants are produced (e.g., South America) and subsequently to the importing countries, such as the United States. The study reveals that the geographic and host distribution of C. liriopes sensu stricto is expanded to the United States (i.e., at least Maryland, Mississippi, and Tennessee) and on various hosts in addition to Asparagaceae and Orchidaceae. The present study produces fundamental knowledge that can be used in efforts to reduce costs or losses from agricultural trade and to expand our understanding of pathogen movement.
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  • 文章类型: Journal Article
    COVID-19大流行在美国造成了严重的动荡,密西西比州的特殊负担,已经耗尽了医疗负担。本研究的主要目的是:(1)分析县级COVID-19病例,死亡,(2)确定各种社会健康决定因素(SDOH)与COVID-19疫苗接种覆盖率之间的相关性。我们分析了密西西比州82个县的COVID-19相关数据和县级SDOH因素。将累积的COVID-19和社会人口统计学数据变量分为特征变量和目标变量。统计和探索性数据分析(EDA)使用Python3.8.5进行。目标变量和特征变量之间的相关性通过Pearson相关性分析进行。直观地呈现热图相关矩阵以说明每对特征与每个目标变量之间的相关性。结果表明,亚裔人的疫苗接种覆盖率最高,为77%,而完全接种疫苗的为52%,46%,42%和25%的非洲裔美国人,Whites,西班牙裔,和美洲印第安人/阿拉斯加原住民,分别。少数民族人群的县级疫苗接种率明显高于白人人群。观察到COVID-19病例和死亡与人均收入呈正相关,与没有高中文凭(25岁以上)的比例呈负相关。这项研究强烈表明,不同的SDOH因素会影响COVID-19疫苗接种率的结果,这也会影响COVID-19病例总数和死亡人数。疫苗推广应给予所有人口,无论种族和族裔,以实现统一接受。因此,针对特定社区需求的全州政策建议应有助于在COVID-19疫苗接种管理中实现健康公平.
    The COVID-19 pandemic has created a severe upheaval in the U.S., with a particular burden on the state of Mississippi, which already has an exhausted healthcare burden. The main objectives of this study are: (1) to analyze the county-level COVID-19 cases, deaths, and vaccine distribution and (2) to determine the correlation between various social determinants of health (SDOH) and COVID-19 vaccination coverage. We analyzed COVID-19-associated data and county-level SDOH factors in 82 counties of Mississippi. The cumulative COVID-19 and socio-demographic data variables were grouped into feature and target variables. The statistical and exploratory data analysis (EDA) was conducted using Python 3.8.5. The correlation between the target and feature variables was performed by Pearson Correlation analysis. The heat Map Correlation Matrix was visually presented to illustrate the correlation between each pair of features and each target variable. Results indicated that people of Asian descent had the highest vaccination coverage of 77% fully vaccinated compared to 52%, 46%, 42% and 25% for African Americans, Whites, Hispanics, and American Indians/Alaska Natives, respectively. The county-level vaccination rate was significantly higher among the minority populations than the White population. It was observed that COVID-19 cases and deaths were positively correlated with per capita income and negatively correlated with the percentage of persons without a high school diploma (age 25+). This study strongly demonstrates that different SDOH factors influence the outcome of the COVID-19 vaccination rate, which also affects the total number of COVID-19 cases and deaths. Vaccine promotion should be given to all populations regardless of race and ethnicity to achieve uniform acceptance. Therefore, statewide policy recommendations focusing on specific community needs should help achieve health equity in COVID-19 vaccination management.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    Fossil fuels have been the major source of electricity supply in the United States of America (USA) for many decades. While a significant shift has occurred from coal-dominated supply to natural gas and renewable source based supplies in recent decades, there is still large potential to improve biomass supported electricity contribution in rural communities, which depend majorly on forest-related activities. Wood waste, an underutilized renewable resource, has the potential for electricity generation in rural areas to reduce the contribution of electricity generated from fossil fuels and assist in greenhouse gas savings. In this study, a life cycle assessment approach was used to estimate the emissions of electricity generated by wood residues in a rural community (Grenada County, Mississippi (MS), USA) and compared with those emissions from the recent electricity mix (2018), a previous electricity mix (2010) supply, along with natural gas (NG) and coal (Bituminous Coal, BC) based electricity generation options. A significant reduction (85.9-94.6%) in global warming impact was observed when compared with BC, NG and grid supplied electricity for years 2010 and 2018. When compared to the current electricity mix at the grid (2018), acidification, eutrophication, respiratory effects and smog formation showed higher emissions ranging from 30.8% to 72.4%. The sensitivity analysis showed an improvement in emissions savings with increased biomass to power conversion efficiency (40%), lower moisture content of the biomass (0%, bone dry biomass), and reduced transportation distance (35 km). This study showed an improvement in the electricity mix supplied to Grenada county, MS, which implies sustainable development opportunities for promoting energy security in rural communities with forest-based industries.
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  • 文章类型: Journal Article
    Despite increasing efforts globally to remove dams and construct fish passage structures, broad-scale analyses balancing tradeoffs between cost and habitat gains from these mitigations infrequently consider invasive species. We present an optimization-based approach for prioritizing dam mitigations to restore habitat connectivity for native fish species, while limiting invasive species spread. Our methodology is tested with a case study involving 240 dams in the Upper Mississippi River, USA. We integrate six native migratory fish species distribution models, distributions of two invasive fishes, and estimated costs for dam removal and construction of fish passes. Varying budgets and post-mitigation fish passage rates are analyzed for two scenarios: \'no invasives\' where non-selective mitigations (e.g., dam removal) are used irrespective of potential invasive species habitat gains and \'invasives\' where a mixture of selective (e.g., lift-and-sort fish passage) and non-selective mitigations are deployed to limit invasive species range expansion. To achieve the same overall habitat connectivity gains, we find that prioritizations accounting for invasive species are 3 to 6 times more costly than those that do not. Habitat gains among native fish species were highly variable based on potential habitat overlap with invasive species and post-mitigation passabilities, ranging from 0.4-58.9% (\'invasives\') and 7.9-95.6% (\'no invasives\') for a $50M USD budget. Despite challenges associated with ongoing nonnative fish invasions, opportunities still exist to restore connectivity for native species as indicated by individual dams being frequently selected in both scenarios across varying passabilities and budgets, however increased restoration costs associated with invasive species control indicates the importance of limiting their further spread within the basin. Given tradeoffs in managing for native vs. invasive species in river systems worldwide, our approach demonstrates strategies for identifying a portfolio of candidate barriers that can be investigated further for their potential to enhance native fish habitat connectivity while concurrently limiting invasive species dispersal.
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  • 文章类型: Journal Article
    这项研究检查了在基于学校的州计划中有关体育锻炼的肥胖因素与体重过重的风险之间的关系,体育教育,营养标准,以及预防儿童肥胖的营养教育。数据来自密西西比州1999-2011年青年风险行为调查(N=8862;9-12年级)。进行了具有年份固定效应的Logistic回归,以捕获立法对青少年肥胖的影响,控制人口统计、营养和身体活动相关行为。年龄-,sex-,自2007年以来,经种族调整的体重指数均值有所下降(1999年:23.52;2001年:23.53;2003年:23.76;2007年:24.26;2009年:24.29;2011年:23.91).立法与超重可能性降低显著相关(2007年,比值比(OR)=0.686;2009年,OR=0.739;2011年,OR=0.760;所有p<0.01)。久坐不动的孩子,更经常禁食减肥,身体活动较少,更有可能超重(OR分别=1.05、1.37和0.97;所有p<0.05),非裔美国儿童(OR=0.64;p<0.05)和女学生(OR=1.59;p<0.05)。总之,学校是预防儿童肥胖和降低其患病率的最容易修改的设置之一,随着体育活动和营养政策的实施。
    This study examined the association between the obesogenic factors and the risk of suffering from weight excess in school-based state programs regarding physical activity, physical education, nutrition standards, and nutrition education in preventing childhood obesity. Data were drawn from the 1999-2011 Youth Risk Behavior Survey in the State of Mississippi (N = 8862; grades 9-12). Logistic regression with year-fixed effects was performed to capture the influence of the legislation on teenage obesity, controlling for demographics and nutrition- and physical activity-related behaviors. The age-, sex-, and ethnicity-adjusted mean of the body mass index had reduced since 2007 (year 1999: 23.52; year 2001: 23.53; year 2003: 23.76; year 2007: 24.26; year 2009: 24.29; and year 2011: 23.91). The legislation was significantly associated with a decreased likelihood of being overweight (year 2007, odds ratio (OR) = 0.686; year 2009, OR = 0.739; and year 2011, OR = 0.760; all p < 0.01). Children who were more sedentary, more frequently fasted to lose weight, and were less physically active and likelier to be overweight (OR = 1.05, 1.37, and 0.97, respectively; all p < 0.05), as were African-American children (OR = 0.64; p < 0.05) and female students (OR = 1.59; p < 0.05). In conclusion, schools are among the most easily modifiable settings for preventing childhood obesity and reducing its prevalence, with the implementation of physical activity and nutritional policies.
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  • 文章类型: Case Reports
    To our knowledge, there are no published reports of heat exhaustion and pesticide exposure in a labor trafficked patient in the literature. Here we represent the case of J.C.J.L., who was labor trafficked. He presented to a local emergency department with heat exhaustion and pesticide exposure related to working conditions in a Mississippi corn field. Unfortunately, while he received medical treatment, his labor trafficking condition was missed. Emergency departments should be equipped to assess for human trafficking and connect trafficked persons with the resources they need. Emergency physicians should maintain a high index of suspicion for human trafficking among migrant workers presenting with occupation-related complaints.
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  • 文章类型: Journal Article
    To determine if the patient care and documentation skills of pharmacy students improve in the third professional (P3) year using a subjective, objective, assessment, plan (SOAP) note grading rubric and a standardized patient (SP) checklist rubric with SPs taking the role as evaluator during a sequential system of case scenarios.
    During a required skills laboratory course in the P3 year at the University of Mississippi School of Pharmacy, students were evaluated with a SOAP note grading rubric and an SP checklist rubric during three consecutive SP case scenarios (hypertension, diabetes, asthma).
    Overall, scores for the sequential case scenarios improved across all three scenarios through the use of SOAP notes (F = 96.89, p < 0.0001). For the SP evaluations, total score improved for the second and third case scenarios versus the first (F = 27.48, p < 0.0001).
    Patient care skills of P3 pharmacy students improved during a sequential system of case scenarios using a SOAP note grading rubric and an SP checklist rubric as objectively developed evaluation tools, with SPs taking the role as evaluator.
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  • 文章类型: Evaluation Study
    Mississippi has the 10th highest rate of new human immunodeficiency virus (HIV) infections in the United States. The Mississippi State Department of Health (MSDH) integrated partner HIV testing into syphilis partner services (PS) in 2014, but the effectiveness of this as an HIV case finding strategy has not been evaluated.
    We identified all early syphilis (primary, secondary, and early latent) case records reported from July 1, 2014, to December 31, 2016, excluding case records for people concurrently newly diagnosed with HIV. Among sex partners of these people, we identified new diagnoses of early syphilis and HIV. We calculated the number needed to interview as the number of syphilis index case patients interviewed divided by the number of partners newly diagnosed with early syphilis or HIV.
    A total of 1535 (95%) of the 1619 early syphilis index case patients were interviewed for PS. These case patients named 2267 partners, of whom 1868 (82%) were contacted by MSDH. Among partners, 1508 (81%) tested for syphilis and 745 (56%) of 1321 partners not previously diagnosed with HIV were tested for HIV. Partner services identified 696 new early syphilis case patients (46%) and 24 (3.2%) new HIV case patients among partners. Sixty-four index case patient interviews were needed to identify 1 new case of HIV, and 2 interviews were needed to identify 1 new case of syphilis among partners.
    Syphilis PS allowed MSDH to interact with 1592 men who have sex with men over a 30-month period and was effective for identifying people newly infected with early syphilis and HIV. Increasing HIV testing among partners of syphilis case patients could increase HIV case finding in Mississippi.
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