41 research outputs found

    Institutional analysis of daytime radio : an overview of the broadcast industry

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    One of a series of papers as part of the institutional analysis of acceptance of photovoltaic (PV) energy, this paper presents an exploration of the radio broadcasting sector in the US. Organized according to the seven functions fulfilled by institutions -- political, regulatory, socialization, production, financial, research,and service -- the paper shows that the radio broadcasting industry is strongly focused and centralized at the federal level in terms of the political and regulatory functions. The other strong force influencing the nature of the industry is the mutual dependency between radio stations and advertisers. Subsequent papers in this series will complete the institutional analysis of a field test of PV in the daytime radio area.Prepared under Dept. of Energy Contract no. EX-76-A-01-2295, Task order no.37

    Initial implementation of PrEP in Zambia: health policy development and service delivery scale-up

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    INTRODUCTION: Daily pre-exposure prophylaxis (PrEP) for HIV prevention is highly effective, but not yet widely deployed in sub-Saharan Africa. We describe how Zambia developed PrEP health policy and then successfully implemented national PrEP service delivery. POLICY DEVELOPMENT: Zambia introduced PrEP as a key strategy for HIV prevention in 2016, and established a National PrEP Task Force to lead policy advocacy and development. The Task Force was composed of government representatives, regulatory agencies, international donors, implementation partners and civil society organisations. Following an implementation pilot, PrEP was rolled out nationally using risk-based criteria alongside a national HIV prevention campaign. NATIONAL SCALE-UP: In the first year of implementation, ending September 2018, 3626 persons initiated PrEP. By September 2019, the number of people starting PrEP increased by over sixfold to 23 327 persons at 728 sites across all ten Zambian provinces. In the first 2 years, 26 953 clients initiated PrEP in Zambia, of whom 31% were from key and priority populations. Continuation remains low at 25% and 11% at 6 and 12 months, respectively. LESSONS LEARNT: Risk-based criteria for PrEP ensures access to those most in need of HIV prevention. Healthcare worker training in PrEP service delivery and health needs of key and priority populations is crucial. PrEP expansion into primary healthcare clinics and community education is required to reach full potential. Additional work is needed to understand and address low PrEP continuation. Finally, a task force of key stakeholders can rapidly develop and implement health policy, which may serve as a model for countries seeking to implement PrEP

    The relative contribution of COVID-19 infection versus COVID-19 related occupational stressors to insomnia in healthcare workers

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    Objective/Background: Healthcare workers have experienced high rates of psychiatric symptom burden and occupational attrition during the COVID-19 pandemic. Identifying contributory factors can inform prevention and mitigation measures. Here, we explore the potential contributions of occupational stressors vs COVID-19 infection to insomnia symptoms in US healthcare workers.Patients/Methods: An online self-report survey was collected between September 2020 and July 2022 from N = 594 US healthcare workers, with longitudinal follow-up up to 9 months. Assessments included the Insomnia Severity Index (ISI), the PTSD Checklist for DSM-5 (PCL-5), and a 13-item scale assessing COVID-19 related occupational stressors. Results: Insomnia was common (45% of participants reported at least moderate and 9.2% reported severe symptoms at one or more timepoint) and significantly associated with difficulty completing work-related tasks, increased likelihood of occupational attrition, and thoughts of suicide or self-harm (all p<.0001). In multivariable regression with age, gender, and family COVID-19 history as covariates, past two-week COVID-related occupational stressors, peak COVID-related occupational stressors, and personal history of COVID-19 infection were all significantly related to past two-week ISI scores (β = 1.7 ± 0.14SE, β = 0.08 ± 0.03, and β = 0.69 ± 0.22 respectively). Although similar results were found for the PCL-5, when ISI and PCL-5 items were separated by factor, COVID-19 infection was significantly related only to the factor consisting of sleep-related items. Conclusions: Both recent occupational stress and personal history of COVID-19 infection were significantly associated with insomnia in healthcare workers. These results suggest that both addressing occupational stressors and reducing rate of COVID-19 infection are important to protect healthcare workers and the healthcare workforce

    Altered type 1 interferon responses in alloimmunized and nonalloimmunized patients with sickle cell disease

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    Abstract Patients with sickle cell disease (SCD) have a high prevalence of RBC alloimmunization. However, underlying mechanisms are poorly understood. Given that proinflammatory type 1 interferons (IFNα/β) and interferon stimulated genes (ISGs) promote alloimmunization in mice, we hypothesized that IFNα/β may contribute to the increased frequency of alloimmunization in patients with SCD. To investigate this, expression of ISGs in blood leukocytes and peripheral blood mononuclear cells (PBMCs) of previously transfused SCD patients with or without alloimmunization and race‐matched healthy controls were quantified, and IFNα/β gene scores were calculated. IFNα/β gene scores of SCD leukocytes and plasma cytokines were elevated, compared to controls (gene score, p < 0.01). Upon stimulation with IFNβ, isolated PBMCs from patients with SCD had elevated ISGs and IFNα/β gene scores (p < 0.05), compared to stimulated PBMCs from controls. However, IFNβ‐stimulated and unstimulated ISG expression did not significantly differ between alloimmunized and non‐alloimmunized patients. These findings indicate that patients with SCD express an IFNα/β gene signature, and larger studies are needed to fully determine its role in alloimmunization. Further, illustration of altered IFNα/β responses in SCD has potential implications for IFNα/β‐mediated viral immunity, responses to IFNα/β‐based therapies, and other sequelae of SCD
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