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Therapeutic drug monitoring using saliva as matrix: an opportunity for linezolid, but challenge for moxifloxacin

The World Health Organization (WHO) has listed moxifloxacin and linezolid among the preferred "group A" drugs in the treatment of multidrug-resistant (MDR)-tuberculosis (TB) [1]. Therapeutic drug monitoring (TDM) could potentially optimise MDR-TB therapy, since moxifloxacin and linezolid show large pharmacokinetic variability [1–4]. TDM of moxifloxacin focuses on identifying patients with low drug exposure who are at risk of treatment failure and acquired fluoroquinolone resistance [5, 6]. Alternatively, TDM of linezolid strives to reduce toxicity while ensuring an adequate drug exposure because of its narrow therapeutic index [1, 3, 7].




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Chitotriosidase as a Novel Biomarker for Therapeutic Monitoring of Nephropathic Cystinosis

Background

Nephropathic cystinosis, a hereditary lysosomal storage disorder caused by dysfunction of the lysosomal cotransporter cystinosin, leads to cystine accumulation and cellular damage in various organs, particularly in the kidney. Close therapeutic monitoring of cysteamine, the only available disease-modifying treatment, is recommended. White blood cell cystine concentration is the current gold standard for therapeutic monitoring, but the assay is technically demanding and is available only on a limited basis. Because macrophage-mediated inflammation plays an important role in the pathogenesis of cystinosis, biomarkers of macrophage activation could have potential for the therapeutic monitoring of cystinosis.

Methods

We conducted a 2-year prospective, longitudinal study in which 61 patients with cystinosis who were receiving cysteamine therapy were recruited from three European reference centers. Each regular care visit included measuring four biomarkers of macrophage activation: IL-1β, IL-6, IL-18, and chitotriosidase enzyme activity.

Results

A multivariate linear regression analysis of the longitudinal data for 57 analyzable patients found chitotriosidase enzyme activity and IL-6 to be significant independent predictors for white blood cell cystine levels in patients of all ages with cystinosis; a receiver operating characteristic analysis ranked chitotriosidase as superior to IL-6 in distinguishing good from poor therapeutic control (on the basis of white blood cell cystine levels of <2 nmol 1/2 cystine/mg protein or ≥2 nmol 1/2 cystine/mg protein, respectively). Moreover, in patients with at least one extrarenal complication, chitotriosidase significantly correlated with the number of extrarenal complications and was superior to white blood cell cystine levels in predicting the presence of multiple extrarenal complications.

Conclusions

Chitotriosidase enzyme activity holds promise as a biomarker for use in therapeutic monitoring of nephropathic cystinosis.




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Monitoring of radiologic disease activity by serum neurofilaments in MS

Objective

To determine whether serum neurofilament light chain (sNfL) levels are associated with recent MRI activity in patients with relapsing-remitting MS (RRMS).

Methods

This observational study included 163 patients (405 samples) with early RRMS from the Study of Early interferon-beta1a (IFN-β1a) Treatment (SET) cohort and 179 patients (664 samples) with more advanced RRMS from the Genome-Wide Association Study of Multiple Sclerosis (GeneMSA) cohort. Based on annual brain MRI, we assessed the ability of sNfL cutoffs to reflect the presence of combined unique active lesions, defined as new/enlarging lesion compared with MRI in the preceding year or contrast-enhancing lesion. The probability of active MRI lesions among patients with different sNfL levels was estimated with generalized estimating equations models.

Results

From the sNfL samples ≥90th percentile, 81.6% of the SET (OR = 3.4, 95% CI = 1.8-6.4) and 48.9% of the GeneMSA cohort samples (OR = 2.6, 95% CI = 1.7-3.9) was associated with radiological disease activity on MRI. The sNfL level between the 10th and 30th percentile was reflective of negligible MRI activity: 1.4% (SET) and 6.5% (GeneMSA) of patients developed ≥3 active lesions, 5.8% (SET) and 6.5% (GeneMSA) developed ≥2 active lesions, and 34.8% (SET) and 11.8% (GeneMSA) showed ≥1 active lesion on brain MRI. The sNfL level <10th percentile was associated with even lower MRI activity. Similar results were found in a subgroup of clinically stable patients.

Conclusions

Low sNfL levels (≤30th percentile) help identify patients with MS with very low probability of recent radiologic disease activity during the preceding year. This result suggests that in future, sNfL assessment may substitute the need for annual brain MRI monitoring in considerable number (23.1%–36.4%) of visits in clinically stable patients.




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Monitoring Radioisotope Production and Transport




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Detecting and Monitoring Porcine Hemagglutinating Encephalomyelitis Virus, an Underresearched Betacoronavirus

ABSTRACT

Members of family Coronaviridae cause a variety of diseases in birds and mammals. Porcine hemagglutinating encephalomyelitis virus (PHEV), a lesser-researched coronavirus, can infect naive pigs of any age, but clinical disease is observed in pigs ≤4 weeks of age. No commercial PHEV vaccines are available, and neonatal protection from PHEV-associated disease is presumably dependent on lactogenic immunity. Although subclinical PHEV infections are thought to be common, PHEV ecology in commercial swine herds is unknown. To begin to address this gap in knowledge, a serum IgG antibody enzyme-linked immunosorbent assay (ELISA) based on the S1 protein was developed and evaluated on known-status samples and then used to estimate PHEV seroprevalence in U.S. sow herds. Assessment of the diagnostic performance of the PHEV S1 ELISA using serum samples (n = 924) collected from 7-week-old pigs (n = 84; 12 pigs per group) inoculated with PHEV, porcine epidemic diarrhea virus, transmissible gastroenteritis virus, porcine respiratory coronavirus, or porcine deltacoronavirus showed that a sample-to-positive cutoff value of ≥0.6 was both sensitive and specific, i.e., all PHEV-inoculated pigs were seropositive from days postinoculation 10 to 42, and no cross-reactivity was observed in samples from other groups. The PHEV S1 ELISA was then used to estimate PHEV seroprevalence in U.S. sow herds (19 states) using 2,756 serum samples from breeding females (>28 weeks old) on commercial farms (n = 104) with no history of PHEV-associated disease. The overall seroprevalence was 53.35% (confidence interval [CI], ±1.86%) and herd seroprevalence was 96.15% (CI, ±3.70%).

IMPORTANCE There is a paucity of information concerning the ecology of porcine hemagglutinating encephalomyelitis virus (PHEV) in commercial swine herds. This study provided evidence that PHEV infection is endemic and highly prevalent in U.S. swine herds. These results raised questions for future studies regarding the impact of endemic PHEV on swine health and the mechanisms by which this virus circulates in endemically infected populations. Regardless, the availability of the validated PHEV S1 enzyme-linked immunosorbent assay (ELISA) provides the means for swine producers to detect and monitor PHEV infections, confirm prior exposure to the virus, and to evaluate the immune status of breeding herds.




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A Rapid Review of Available Evidence to Inform Indicators for Routine Monitoring and Evaluation of Respectful Maternity Care

ABSTRACTBackground:Some opportunities to routinely capture and improve respectful maternity care (RMC) during facility-based childbirth include quality improvement (QI) initiatives, community-based monitoring efforts through community score cards (CSC), and performance-based financing (PBF) initiatives. But there is limited guidance on which types of RMC indicators are best suited for inclusion in these initiatives. We sought to provide practical evidence-based recommendations on indicators that may be used for routine measurement of RMC in programs.Methods:We used a rapid review approach, which included (1) reviewing existing documents and publications to extract RMC indicators and identify which have or can be used in facility-based QI, CSCs, and PBF schemes; (2) surveying RMC and maternal health experts to rank indicators, and (3) analyzing survey data to select the most recommended indicators.Results:We identified 49 indicators spanning several domains of RMC and mistreatment including dignified/nondignified care, verbal and physical abuse, privacy/confidentiality, autonomy/loss of autonomy, supportive care/lack thereof, communication, stigma, discrimination, trust, facility environment/culture, responsiveness, and nonevidence-based care. Based on the analysis of the survey data, we recommend 33 indicators (between 2 and 6 indicators for each RMC domain) that may be suited for incorporation in both facility-based QI and CSC-related monitoring efforts.Conclusion:Integrating RMC indicators into QI and CSC initiatives, as well as in other maternal and neonatal health programs, could help improve RMC at the facility and community level. More research is needed into whether RMC can be integrated into PBF initiatives. Integration of RMC indicators into programs to improve quality of care and other health system outcomes will facilitate routine monitoring and accountability around experience of care. Measurement and improvement of women's experiences will increase maternal health service utilization and improve quality of care as a means of reducing maternal and neonatal morbidity and mortality.




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Effects of Continuous Glucose Monitoring on Metrics of Glycemic Control in Diabetes: A Systematic Review With Meta-analysis of Randomized Controlled Trials

BACKGROUND

Continuous glucose monitoring (CGM) provides important information to aid in achieving glycemic targets in people with diabetes.

PURPOSE

We performed a meta-analysis of randomized controlled trials (RCTs) comparing CGM with usual care for parameters of glycemic control in both type 1 and type 2 diabetes.

DATA SOURCES

Many electronic databases were searched for articles published from inception until 30 June 2019.

STUDY SELECTION

We selected RCTs that assessed both changes in HbA1c and time in target range (TIR), together with time below range (TBR), time above range (TAR), and glucose variability expressed as coefficient of variation (CV).

DATA EXTRACTION

Data were extracted from each trial by two investigators.

DATA SYNTHESIS

All results were analyzed by a random effects model to calculate the weighted mean difference (WMD) with the 95% CI. We identified 15 RCTs, lasting 12–36 weeks and involving 2,461 patients. Compared with the usual care (overall data), CGM was associated with modest reduction in HbA1c (WMD –0.17%, 95% CI –0.29 to –0.06, I2 = 96.2%), increase in TIR (WMD 70.74 min, 95% CI 46.73–94.76, I2 = 66.3%), and lower TAR, TBR, and CV, with heterogeneity between studies. The increase in TIR was significant and robust independently of diabetes type, method of insulin delivery, and reason for CGM use. In preplanned subgroup analyses, real-time CGM led to the higher improvement in mean HbA1c (WMD –0.23%, 95% CI –0.36 to –0.10, P < 0.001), TIR (WMD 83.49 min, 95% CI 52.68–114.30, P < 0.001), and TAR, whereas both intermittently scanned CGM and sensor-augmented pump were associated with the greater decline in TBR.

LIMITATIONS

Heterogeneity was high for most of the study outcomes; all studies were sponsored by industry, had short duration, and used an open-label design.

CONCLUSIONS

CGM improves glycemic control by expanding TIR and decreasing TBR, TAR, and glucose variability in both type 1 and type 2 diabetes.




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Optimizing Diabetes Care With the Standardized Continuous Glucose Monitoring Report




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Flash Continuous Home Glucose Monitoring to Improve Adherence to Self-Monitoring of Blood Glucose and Self-Efficacy in Adolescents With Type 1 Diabetes

Adolescents with type 1 diabetes face self-management challenges that make it difficult for them to achieve good glycemic control. In our population of adolescents with poorly controlled type 1 diabetes, the use of continuous glucose monitoring (CGM) improved patients’ glycemic time in range (TIR) and identified hypoglycemia more frequently than with intermittent self-monitoring of blood glucose throughout a 4-week interval. However, the adolescents were unable to synthesize this information to problem-solve or reduce the frequency of hypoglycemic events. Setting SMART (specific, measurable, achievable, relevant, and time-bound) diabetes management goals and providing intensive diabetes education and support could increase adolescents’ TIR and prevent hypoglycemia.




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Continuous Glucose Monitoring As a Behavior Modification Tool

Real-time continuous glucose monitoring (CGM) use may lead to behavioral modifications in food selection and physical activity, but there are limited data on the utility of CGM in facilitating lifestyle changes. This article describes an 18-item survey developed to explore whether patients currently using CGM believe the technology has caused them to change their behavior.




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Waste water tests could monitor 2 billion people for the coronavirus

We need to scale up testing efforts to tackle the coronavirus pandemic, and looking for signs of virus RNA in our sewage could provide a shortcut




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Coronavirus lockdown changes &apos;will be small and carefully monitored&apos; as Boris Johnson prepares to set out roadmap

The first changes to the UK's coronavirus lockdown will be "small" and "very carefully monitored" when the Prime Minister reveals his "roadmap" on Sunday.





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Airbus will support France and India to monitor climate change with TRISHNA

Paris (SPX) Apr 28, 2020
The French Space Agency (Centre National d'Etudes Spatiales, CNES) has recently signed a contract with Airbus Defence and Space for the development and manufacture of the thermal infrared instrument for the TRISHNA satellite. TRISHNA (Thermal infraRed Imaging Satellite for High resolution Natural resource Assessment) will be the latest satellite in the joint Franco-Indian satellite fleet d




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LifeSignals Receives CE Mark for ECG Remote Monitoring Patch

LifeSignals, based in Fremont, California, announced that it received the CE Mark for its LifeSignals ECG Remote Monitoring Patch. The patch, integrated with a remote monitoring platform, is designed as a continuous electrocardiography (ECG) and heart rate monitor. The ECG Remote Monitoring Patch is disposable and captures data for up to three days. The device […]




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VitalPatch Wins FDA Emergency Use Authorization for Cardiac Monitoring in COVID Patients

VitalConnect announced that it has received FDA Emergency Use Authorization status for use of its VitalPatch to detect changes in the QT interval of hospitalized patients undergoing drug treatment for COVID-19. Hydroxychloroquine and chloroquine, used to treat some COVID-19 patients, are associated with risk of prolonged QT interval that can lead to life-threatening arrhythmias. VitalPatch allows […]




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Bioclinical, VivaLNK unveil remote patient monitoring technology

The solutions enable continuous remote monitoring of body temperature and other vitals, either at home or in care centers, for clinical trials.




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Veeva launches free remote monitoring

The companyâs SiteVault Free tool, designed to enable collaborating between sites and study monitors, now has a remote monitoring feature.




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ACRO offers unique insights on risk-based monitoring of clinical trials, calls for adoption of RBM as a best practice

Following meetings with then-Commissioner Scott Gottlieb and senior leadership from the Center for Drug Evaluation and Research on the role of CROs and technology companies in designing and implementing risk-based monitoring (RBM) of clinical trials, ACRO this week submitted extensive comments on recent FDA Guidance.Increasing the use of innovative RBM technologies helps make clinical trials safer, more efficient and higher quality. ACRO’s comments offer unique insights into the recent expansion of RBM implementation and call for further increasing the use of these oversight technologies.




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Advancing the Adoption of Risk-Based Monitoring Strategies in Clinical Trials

On July 17, 2019, under cooperative agreement with the FDA, the Duke-Margolis Center for Health Policy (Duke Margolis) held a public workshop. The event, titled Improving the Implementation of Risk-Based Monitoring Approaches of Clinical Investigations, aimed to identify opportunities to improve Risk Based Monitoring (RBM) implementation and solicit stakeholder input on the challenges, barriers, and enablers that impact the successful adoption of RBM.




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FDA urges close monitoring of COVID-19 patients treated with hydroxychloroquine

The FDA has released a safety communication reiterating the need for doctors to closely monitor COVID-19 patients who are treated with either hydroxychloroquine or chloroquine.




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Justice Department to Monitor Election in Kane County, Illinois

The Department announced that on April 7, 2009, it will monitor the election in Kane County, Ill., to ensure compliance with the Voting Rights Act of 1965, as amended. Under the Voting Rights Act, the Justice Department is authorized to ask the Office of Personnel Management to send federal observers to areas that are specially covered in the act or by a federal court order.



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Former Asbestos Monitoring Contractor Pleads Guilty to Making False Statements

A former owner of an asbestos monitoring contractor that provided services to New York Presbyterian Hospital (NYPH) pleaded guilty today for making false statements to FBI agents and representatives of the Department’s Antitrust Division. Stephen E. McAnulty, of Brooklyn, N.Y., pleaded guilty in U.S. District Court in Manhattan, for lying about his knowledge of a kickback and fraud conspiracy that took place at NYPH.



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Justice Department to Monitor Elections in Mississippi

The Department announced that on May 5, 2009, it will monitor municipal elections in the towns of Cleveland, Como, Meridian and Sardis, Miss., to ensure compliance with the Voting Rights Act of 1965.



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Justice Department to Monitor Elections in Texas

On May 9, 2009, the Department of Justice will monitor municipal elections in the cities of Farmers Branch and Hondo, Texas, to ensure compliance with the Voting Rights Act of 1965.



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Justice Department to Monitor Election in Philadelphia

On May 19, 2009, the Justice Department will monitor the election in the city of Philadelphia to ensure compliance with federal voting rights laws.



  • OPA Press Releases

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Justice Department to Monitor Elections in Mississippi, New Jersey and South Dakota

On June 2, 2009, the Department of Justice will monitor elections in the following jurisdictions to ensure compliance with the Voting Rights Act of 1965 and other federal voting rights statutes: the towns of Como, Drew, Greenwood, Isola, Louise and Meridian, Miss.; Bergen County, Middlesex County and the borough of Penns Grove, N.J.; and the town of Martin, S.D.



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Justice Department to Monitor Election in Ohio

The Department announced that during the Sept. 8, 2009, municipal election in Cleveland, Ohio, it will monitor polling place activities for compliance with the Voting Rights Act of 1965. Attorneys from the Department’s Civil Rights Division will coordinate the federal activities and maintain contact with local election officials.



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Justice Department to Monitor Elections in Massachusetts and New York

The Department will monitor the Sept. 15, 2009, municipal elections in Springfield, Mass., and Newburgh, N.Y., to ensure compliance with the Voting Rights Act of 1965. Federal observers will be assigned to monitor polling place activities in Springfield and Newburgh. The observers will watch and record activities during voting hours at polling locations.



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Justice Department to Monitor Elections in Massachusetts, Michigan, New Jersey, New York and Pennsylvania

On Nov. 3, 2009, the department will monitor elections in the following jurisdictions to ensure compliance with the Voting Rights Act of 1965 and other federal voting rights statutes: the cities of Lowell and Springfield, Mass.; the city of Hamtramck, Mich.; Middlesex County and the borough of Penns Grove, N.J.; Orange County and Queens, N.Y., and the city of Philadelphia.



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Justice Department to Monitor Election in Georgia

The department will monitor polling place activities for compliance with the Voting Rights Act of 1965 during the Dec. 1, 2009, municipal run-off election in Union Point, Ga.



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Justice Department to Monitor Election in Texas

The Department will monitor the Jan. 23, 2010, special municipal election in the city of Hondo, Texas, to ensure compliance with the anti-discrimination and minority language requirements of the Voting Rights Act of 1965.



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Justice Department to Monitor Election in Louisiana

The Department it will monitor the Feb.6, 2010, municipal primary election in the city of New Orleans to ensure compliance with the anti-discrimination requirements of the Voting Rights Act of 1965.



  • OPA Press Releases

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Justice Department to Monitor Elections in Texas

The Department will monitor primary elections on March 2, 2010, in Fort Bend, Galveston, Gonzales, Williamson, and Wilson Counties in Texas, to ensure compliance with the minority language requirements of the Voting Rights Act of 1965 and other federal voting rights statutes.



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Justice Department to Monitor Election in Walnut, California

The Department will monitor the municipal election on April 13, 2010, in the city of Walnut, Calif., to ensure compliance with the minority language requirements of the Voting Rights Act of 1965.



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Attorney General Holder Dispatches Justice Department Team to Monitor British Petroleum Oil Spill

Attorney General Eric Holder announced today that he is dispatching a team of attorneys from multiple divisions within the Justice Department to New Orleans to meet with the U.S. Attorney and response teams and to monitor the oil spill in the Gulf of Mexico.



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Justice Department to Monitor Elections in Texas

The Department will monitor municipal elections on May 8, 2010, in Dallas and Galveston Counties, Texas, to ensure compliance with the requirements of the Voting Rights Act of 1965.



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Justice Department to Monitor Elections in New Mexico

The Department will monitor the primary elections on June 1, 2010, in Cibola and Sandoval Counties, N.M., to ensure compliance with the minority language requirements of the Voting Rights Act of 1965 and other federal voting rights statutes.



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Justice Department to Monitor Elections in California, New Jersey and South Dakota

The Department will monitor elections on June 8, 2010, in the following jurisdictions to ensure compliance with the Voting Rights Act of 1965 and other federal voting rights statutes: Riverside County, Calif.; Middlesex County, N.J.; and Charles Mix and Shannon Counties, S.D.



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Justice Department to Monitor Election in Port Chester, New York

The Justice Department today announced that it will monitor the municipal election on June 15, 2010, in the village of Port Chester, N.Y., to ensure compliance with the Voting Rights Act of 1965.



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Justice Department to Monitor Election in Texas

The Department will monitor the municipal election on June 19, 2010, in Galveston, Texas, to ensure compliance with the requirements of the Voting Rights Act of 1965.



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Justice Department to Monitor Elections in Alabama

The Justice Department announced today that it will monitor the primary runoff elections on July 13, 2010, in Barbour, Lee and Russell Counties, Ala., to ensure compliance with the Voting Rights Act of 1965.



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Justice Department to Monitor Elections in Apache and Navajo Counties, Arizona

The Justice Department today announced that it will monitor the primary elections on Aug. 24, 2010, in Apache and Navajo Counties, Ariz., to ensure compliance with the minority language requirements of the Voting Rights Act of 1965 and other federal voting rights statutes.



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Jury Finds Asbestos Air Monitoring Company and Employees Guilty of Clean Air Act and Fraud Violations

A federal jury in Utica, N.Y. has found Certified Environmental Services Inc. (CES); two of its managers, Nicole Copeland and Elisa Dunn; and one of its employees, Sandy Allen, guilty of conspiring to aid and abet Clean Air Act violations, commit mail fraud, and defraud the United States.



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Justice Department to Monitor Polls in 18 States on Election Day

The Justice Department announced today that its Civil Rights Division plans to deploy more than 400 federal observers and department personnel to 30 jurisdictions in 18 states for the Nov. 2, 2010, general election.



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Attorney General Eric Holder Speaks at the President’s Interagency Task Force to Monitor and Combat Trafficking in Persons Meeting

"As part of this fight against human trafficking, specialized Anti-Trafficking Coordination Teams, known as ACTeams, will be convened in a number of pilot districts nationwide," said Attorney General Holder.




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Justice Department to Monitor Election in Maricopa County, Arizona

The Justice Department announced today that it will monitor municipal elections on March 8, 2011, in Maricopa County, Ariz.



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Justice Department to Monitor Elections in Texas

The Justice Department announced today that it will monitor municipal elections on May 14, 2011, in Galveston, Jefferson, Liberty, Medina and San Patricio Counties in Texas to ensure compliance with the Voting Rights Act of 1965.



  • OPA Press Releases

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Justice Department to Monitor Elections in Mississippi

The Justice Department announced today that it will monitor primary elections on Aug. 2, 2011, in Bolivar, Clay, Copiah, Humphreys, Jefferson Davis, Noxubee, Panola, Quitman, Sunflower, Tallahatchie and Wilkinson Counties in Mississippi to ensure compliance with the Voting Rights Act of 1965.



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Justice Department to Monitor Elections in Mississippi

The Justice Department announced today that it will monitor primary runoff elections on Aug. 23, 2011, in Bolivar, Noxubee, Tunica and Wilkinson Counties in Mississippi to ensure compliance with the Voting Rights Act of 1965.



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