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This article examines how three relatively recent decisions enacted and upheld by Pennsylvania lawmakers have increased racial disparities in education funding and are helping to explode what Ladson-Billings has termed the educational debt. We find that districts with the highest concentrations of Black and Latinx students are profoundly underfunded. We find that these districts spent $2 billion less than they needed--according to calculations lawmakers enacted into state law in 2008--for their students to have a chance to meet the standards the state set for them. We also find that these districts would have received an additional $1.4 billion in state aid to help them address this underfunding if lawmakers had not abandoned a 2008 formula and an additional $918 million in state funding if lawmakers had used current formulas to distribute their two largest subsidies to school districts. We find that a vast majority of children in Pennsylvania are harmed by these policies. We also find that Black and Latinx students are being particularly shortchanged. We find that districts with the largest proportions of Black and Latinx students are harmed at substantially higher rates than districts with the lowest proportions of Black and Latinx students, even after we restrict our comparison to higher-poverty districts.

Introduction: Emergency department (ED) crowding and hospital diversion times are increasing nationwide, with negative effects on patient safety and an association with increased mortality. Crowding in referral centers makes transfer of complex or critical patients by rural emergency physicians (EP) more complicated and difficult. We present a case requiring an unorthodox transfer method to navigate extensive hospital diversion and obtain life-saving neurosurgical care.Case Report: We present the case of a previously healthy 21-year-old male with two hours of headache and rapid neurologic decompensation en route to and at the ED. Computed tomography revealed obstructive hydrocephalus recognized by the EP, who medically managed the increased intracranial pressure (ICP) and began the transfer process for neurosurgical evaluation and management. After refusal by six referral centers in multiple states, all of which were on diversion, the EP initiated an unorthodox transfer procedure to the institution at which he trained, ultimately transferring the patient by air. Bilateral external ventricular drains were placed in the receiving ED, and the patient ultimately underwent neurosurgical resection of an obstructive colloid cyst.Conclusion: First, our case illustrates the difficulties faced by rural EPs when attempting to transfer critical patients when large referral centers are refusing transfers and the need for improvements in facilitating timely transfers of critically ill, time-sensitive patients. Second, EPs should be aware of colloid cysts as a rare but potentially catastrophic cause of rapid neurologic decline due to increased ICP, and the ED management thereof, which we review.

BackgroundThis United States-based study compared 2 candidate vaccines: RSV/ΔNS2/Δ1313/I1314L, attenuated by NS2 gene-deletion and temperature-sensitivity mutation in the polymerase gene; and RSV/276, attenuated by M2-2 deletion.MethodsRSV-seronegative children aged 6-24 months received RSV/ΔNS2/Δ1313/I1314L (106 plaque-forming units [PFU]), RSV/276 (105 PFU), or placebo intranasally. Participants were monitored for vaccine shedding, reactogenicity, and RSV serum antibodies, and followed over the subsequent RSV season.ResultsEnrollment occurred September 2017 to October 2019. During 28 days postinoculation, upper respiratory illness and/or fever occurred in 64% of RSV/ΔNS2/Δ1313/I1314L, 84% of RSV/276, and 58% of placebo recipients. Symptoms were generally mild. Cough was more common in RSV/276 recipients than RSV/ΔNS2/Δ1313/I1314L (48% vs 12%; P = .012) or placebo recipients (17%; P = .084). There were no lower respiratory illness or serious adverse events. Eighty-eight and 96% of RSV/ΔNS2/Δ1313/I1314L and RSV/276 recipients were infected with vaccine (shed vaccine and/or had ≥4-fold rises in RSV antibodies). Serum RSV-neutralizing titers and anti-RSV F IgG titers increased ≥4-fold in 60% and 92% of RSV/ΔNS2/Δ1313/I1314L and RSV/276 vaccinees, respectively. Exposure to community RSV during the subsequent winter was associated with strong anamnestic RSV-antibody responses.ConclusionsBoth vaccines had excellent infectivity and were well tolerated. RSV/276 induced an excess of mild cough. Both vaccines were immunogenic and primed for strong anamnestic responses.Clinical trials registrationNCT03227029 and NCT03422237.

This brief describes how several commonly used per-pupil funding measures derived from federal data include passthrough funding in the numerator but exclude students attached to this funding from the denominator, artificially inflating per-pupil ratios. Three forms of passthrough funding for students not educated by the school district where they reside are included in district-level funding totals: payments to private schools (V91), payments to charter schools (V92), and payments to other school systems (Q11). We illustrate this error in Pennsylvania and New Jersey and use data from all 46 impacted states to show how racial and economic funding gaps are understated as a result.

BACKGROUND: Streptococcus pneumoniae is a leading cause of severe infections among children. Despite vaccination, HIV-exposed, uninfected (HEU) children have a higher incidence of invasive pneumococcal disease than HIV-unexposed, uninfected (HUU) children. We sought to compare the immunogenicity of 13-valent pneumococcal conjugate vaccine (PCV-13) in HEU and HUU infants. METHODS: We conducted a prospective cohort study of 134 mother-infant dyads in Botswana. Infants received PCV-13 doses at 2, 3, and 4 months through routine clinical care. We measured IgG antibodies specific to vaccine serotypes in sera collected from infants at 0, 5, and 12 months of age. We calculated the proportion of infants with protective IgG levels (≥0.35 µg/mL) to specific pneumococcal serotypes. RESULTS: At birth, fewer than half of infants had protective IgG levels to serotypes 1 (38%), 3 (46%), 4 (33%), 5 (23%), 6B (40%), 7F (44%), 9 V (44%), and 23F (46%). Compared to HUU infants (n = 97), HEU infants (n = 37) had lower antibody concentrations at birth to serotypes 5 (p = 0.046) and 19A (p = 0.008) after adjustment for maternal age and infant birth weight. More than 80% of HEU and HUU infants developed protective antibody levels to each of the 13 vaccine serotypes following PCV-13 vaccination. Median concentrations of antibodies to pneumococcal serotypes declined by 55-93% between 5 and 12 months of age, with fewer than half of infants having protective antibody levels to serotypes 1 (47%), 3 (28%), 9 V (44%), 18C (24%), and 23F (49%) at 12 months of age. CONCLUSIONS: Both HEU and HUU infants developed protective antibody responses to PCV-13 administered in a 3 + 0 schedule. However, antibody concentrations to many pneumococcal serotypes waned substantially by 12 months of age, suggesting that a PCV-13 booster dose in the second year of life may be needed to maintain protective pneumococcal antibody levels in older infants and young children.

In the United States, researchers have documented persistent racial disparities in school funding for decades. Drawing on evidence from a recent policy change in Pennsylvania, this article contributes to research on the role of state governments in limiting or expanding racial disparities in K-12 education funding by examining differences in the racial composition of school districts positively and negatively impacted by a technical provision lawmakers inserted into a newly created formula for distributing state equalization aid. We find that negatively-impacted districts enroll a substantially higher number of Black and Latinx students, receive less state aid, have lower levels of state and local funding, and have lower spending levels than positively-impacted districts with otherwise similar financial needs. These findings suggest how state lawmakers can exacerbate racial inequities when pursuing reforms ostensibly focused on equity, and these results have implications for both policymakers and educational leaders focused on racial justice.

Pneumococcal conjugate vaccines reduce the burden of invasive pneumococcal disease, but the sustained effect of these vaccines can be diminished by an increase in disease caused by non-vaccine serotypes. To describe pneumococcal serotype epidemiology in Botswana following introduction of 13-valent pneumococcal conjugate vaccine (PCV-13) in July 2012, we performed molecular serotyping of 268 pneumococcal strains isolated from 221 children between 2012 and 2017. The median (interquartile range) age of the children included in this analysis was 6 (3,12) months. Fifty-nine percent of the children had received at least one dose of PCV-13 and 35% were fully vaccinated with PCV-13. While colonization by vaccine serotypes steadily declined following PCV-13 introduction, 25% of strains isolated more than 3 years after vaccine introduction were PCV-13 serotypes. We also observed an increase in colonization by non-vaccine serotypes 21 and 23B, which have been associated with invasive pneumococcal disease and antibiotic resistance in other settings.

IntroductionAbout one-third of critically ill patients with acute kidney injury (AKI) develop persistently decreased kidney function, known as acute kidney disease (AKD), which may progress to chronic kidney disease (CKD). Although sepsis is the most common cause of AKI, little is known about sepsis-associated AKD.MethodsUsing data from a large randomized trial including 1341 patients with septic shock, we studied patients with stage 2 or 3 AKI on day 1 of hospitalization. We defined AKD as a persistently reduced glomerular filtration rate for >7 days. In addition to clinical data, we measured several urinary biomarkers (tissue inhibitor of metalloproteinases-2 and insulin-like growth factor-binding protein 7 [TIMP-2∗IGFBP7], neutrophil gelatinase-associated lipocalin [NGAL], kidney injury molecule-1 [KIM-1], liver-type fatty acid binding protein, and type 4 collagen) at 0, 6, and 24 hours, to predict AKD.ResultsOf 598 patients, 119 (19.9%) died within 7 days, 318 (53.2%) had early reversal of AKI within the first 7 days, whereas 161 (26.9%) developed AKD. In patients with early reversal, 45 (14.2%) had relapsed AKI after early reversal, and only about one-third of these recovered. Among patients developing AKD, only 15 (9.3%) recovered renal function prior to discharge. Male sex, African American race, and underlying CKD were more predominant in patients developing AKD. None of the biomarkers tested performed well for prediction of AKD, although NGAL modestly increased the performance of a clinical model.ConclusionsAKD is common in patients with septic shock, especially among African American males and those with underlying CKD. Existing AKI biomarkers have limited utility for predicting AKD but might be useful together with clinical variables. Novel predictive biomarkers for renal recovery are needed.

Formic acid, when combined with sulfuric acid, gets dehydrated to form carbon monoxide (CO). A 27-year-old female was found unconscious inside a car, next to a container with a mixture of sulfuric acid and formic acid. Concentrations of up to 400 parts per million of CO were measured inside the car post ventilation. Serum carboxyhemoglobin level was 15% after receiving 100% oxygen for two hours. The patient received hyperbaric oxygen therapy after which she was extubated with normal mental status. On follow-up after three months, she demonstrated neurocognitive abnormalities suggestive of delayed neurological sequelae from CO exposure.

The task of turning undergrads into academics requires teaching them to reason about the world in a more complex way. We present the Argument Complexity Scale, a tool for analysing the complexity of argumentation, based on the Integrative Complexity and Conceptual Complexity Scales from, respectively, political psychology and personality theory. Argument Complexity classifies arguments based on acknowledgement and consideration of conflicting evidence or conflicting frameworks for judging the issue, use of frameworks for evaluating evidence, and use of meta-frameworks for evaluating frameworks. We discuss how the Argument Complexity Scale can be used to teach undergraduate students to reason and write like academics by providing the scaffolding for forming complex argumentation.

We demonstrate that the key components of cognitive architectures - declarative and procedural memory - and their keycapabilities - learning, memory retrieval, judgement, and decision-making - can be implemented as algebraic operationson vectors in a high-dimensional space. Modern machine learning techniques have an impressive ability to process datato find patterns, but typically do not model high-level cognition. Traditional, symbolic cognitive architectures can capturethe complexities of high-level cognition, but have limited ability to detect patterns or learn. Vector-symbolic architec-tures, where symbols are represented as vectors, bridge the gap between these two approaches. Our vector-space modelaccounts for primacy and recency effects in free recall, the fan effect in recognition, human probability judgements, andhuman performance on an iterated decision task. Our model provides a flexible, scalable alternative to symbolic cognitivearchitectures at a level of description that bridges symbolic, quantum, and neural models of cognition.

This article investigates trends in the relative wealth of the richest school districts in the United States between 2000 and 2015. For the purposes of discussion, I focus on the top 1% of districts. I argue that trends in school funding for the richest districts deserve greater attention from education researchers. Districts in the top 1% of the cost-adjusted, national school funding distribution are disproportionately suburban, affluent, and White. The relative wealth of these districts increased sharply (31.59%) between 2000 and 2015. Disaggregating these trends reveals large variation between states. Nevertheless, resource concentration in the top percentile of school districts increased in a large majority of states. These findings cannot be explained by efforts to provide additional educational resources to students with the greatest needs, and they suggest the ways in which the concentration of affluence accompanying growing economic inequality may be changing school funding.

Background/Context: Dealing mostly in aggregate statistics that mask important regional variations, scholars often assume that district property taxation and the resource disparities this approach to school funding creates are deeply rooted in the history of American education. Purpose/Objective/Research Question/Focus of Study: This article explores the history of district property taxation and school funding disparities in California during the 19th and 20th centuries. First, the article documents the limited use of district property taxation for school funding in California and several other Western states during the 19th century, showing that the development of school finance was more complicated than standard accounts suggest. Then, the article examines how a coalition of experts, activists, and politicians worked together during the early 20th century to promote district property taxation and institutionalize the idea that the wealth of local communities, rather than the wealth of the entire state, should determine the resources available for public schooling. Research Design: This article draws on primary source documents from state and regional archives, including district-level funding data from nine Northern California counties, to complete a historical analysis. Conclusions/Recommendations: The history of California's district property tax suggests the need for continued research on long-term trends in school finance and educational inequality. Popular accounts minimizing the historical role of state governments in school funding obscure how public policies, not just market forces shaping property values, create funding inequalities. In turn, these accounts communicate powerful messages about the supposed inevitability of funding disparities and the responsibility of state governments to correct them. Through increased attention to long-term trends in school funding, scholars can help popular commentators and policymakers avoid assumptions that naturalize inequality and narrow the possibilities for future funding reforms.