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"Miller, Matthew J."
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COVID-19 in Latin America: Novel transmission dynamics for a global pandemic?
The LAC outbreak appears to be about two weeks behind the United States and Canada and about three to four weeks behind Western Europe. [...]the global COVID-19 pandemic is entering a new phase, not only expanding beyond primarily temperate Northern Hemisphere countries into the tropics but also spreading to a geopolitical region marked by significantly worse poverty, water access and sanitation, and distrust in public governance (Fig 1). While seasonal influenza does vary with temperature and humidity in LAC, the region’s environmental heterogeneity causes peaks in influenza transmission to be asynchronous across the region [5]. [...]molecular modeling suggests that the COVID-19 (like MERS and SARS) uses the angiotensin-converting enzyme II (ACE2), which is highly expressed in both lung and some intestinal epithelial tissues [11] as its host receptor. During the 1991 cholera epidemic in Peru, cholera spread nearby instantaneously from a single town to nearly communities along the Peruvian coast with attack rates over 2% in just the first month of the epidemic [17]. Because cholera is often transmitted via contaminated stored water and food, up to half of all family members show signs of infection within two days of the presentation of an index case [18].
Journal Article
New directions in the study of African American recolonization
Beginning in 1816, the American Colonization Society worked to send American blacks to resettle in Africa. From inception, however, its foundational ethos has been debated. These debates continued long after the effective end of the ACS during WWI through the Civil Rights movement to today, when even historians among the Press's own authors respectfully hold opposing views. In this volume, Beverly Tomek and Matthew Hetrick gather essays from scholars with different opinions and divergent methodologies, offering not only new research to address some of the old questions about American colonization and missionary activities but also new questions to spur further debate.
Book
Patient characteristics and telehealth are associated with attendance rates in an outpatient rehabilitation infant bridge program
To describe the characteristics of patients who received outpatient therapy services through an infant bridge program using telehealth mode of service delivery and to identify if attendance rates vary by mode of service delivery. We hypothesized that telehealth visits will increase attendance rates.
Retrospective, cross-sectional study.
UCSF Benioff Children's Hospital outpatient infant bridge program.
Eighty infants with a history of NICU admission and scheduled for a therapy appointment between June 1, 2019 and December 31, 2020 were included in the study. Participants had an average(SD) gestational age of 34.63(4.41) weeks and length of stay was 43.55(56.03) weeks. The majority were English-speaking (96.3%), White (37.5%), and had commercial insurance (72.5%).
Descriptive analyses were conducted across the entire group along with service delivery model subgroup analysis. Logistic regression was performed to assess patient characteristics associated with attendance and if service delivery model influences attendance.
In the analysis of 596 scheduled visits, there were more completed telehealth sessions than for in-person sessions (90.0% versus 84.1%, p = .011). For in-person sessions, infants (N = 40) with lower birth gestational ages (p = .009), longer length of stay (p = .041), and Medi-Cal insurance (p = .006) were more likely to have ≥2 missed appointments. For the telehealth sessions, infants (N = 40) who had longer length of stay (p = .040) were more likely to have ≥2 missed appointments. There is a higher likelihood of ≥2 missed appointments for patients with a longer length of stay (OR = 1.02, 95% CI [1.01, 1.03]) and for in-person service delivery when compared to telehealth (OR = 6.25, 95% CI [1.37, 28.57]).
Telehealth was associated with higher likelihood of attendance, revealing that telehealth has the potential to increase access to early therapy services for certain populations. Future studies with larger sample sizes to determine which populations benefit from telehealth is recommended.
Journal Article
Geographic Expansion of the Invasive Mosquito Aedes albopictus across Panama—Implications for Control of Dengue and Chikungunya Viruses
Since 2006, Chikungunya outbreaks have been increasingly recorded outside the virus's native range in tropical Africa, perhaps because of a mutation in the virus's envelope gene, which increases the replication and dissemination capacity of the virus in Ae. albopictus [4]. Given that Ae. aegypti has similar demographic and dispersal patterns as Ae. albopictus [13], Ae. aegypti populations may quickly rebound via recolonization after cessation of GM programs. [...]GM strategies might have only short-term effects on vector population size and may commit Panama to a repeated and costly program for long-term arbovirus control [20].
Journal Article
A Highly Contiguous Genome for the Golden-Fronted Woodpecker (Melanerpes aurifrons) via Hybrid Oxford Nanopore and Short Read Assembly
Woodpeckers are found in nearly every part of the world and have been important for studies of biogeography, phylogeography, and macroecology. Woodpecker hybrid zones are often studied to understand the dynamics of introgression between bird species. Notably, woodpeckers are gaining attention for their enriched levels of transposable elements (TEs) relative to most other birds. This enrichment of TEs may have substantial effects on molecular evolution. However, comparative studies of woodpecker genomes are hindered by the fact that no high-contiguity genome exists for any woodpecker species. Using hybrid assembly methods combining long-read Oxford Nanopore and short-read Illumina sequencing data, we generated a highly contiguous genome assembly for the Golden-fronted Woodpecker (Melanerpes aurifrons). The final assembly is 1.31 Gb and comprises 441 contigs plus a full mitochondrial genome. Half of the assembly is represented by 28 contigs (contig L50), each of these contigs is at least 16 Mb in size (contig N50). High recovery (92.6%) of bird-specific BUSCO genes suggests our assembly is both relatively complete and relatively accurate. Over a quarter (25.8%) of the genome consists of repetitive elements, with 287 Mb (21.9%) of those elements assignable to the CR1 superfamily of transposable elements, the highest proportion of CR1 repeats reported for any bird genome to date. Our assembly should improve comparative studies of molecular evolution and genomics in woodpeckers and allies. Additionally, the sequencing and bioinformatic resources used to generate this assembly were relatively low-cost and should provide a direction for development of high-quality genomes for studies of animal biodiversity.
Journal Article
Identifying factors influencing emerging innovations in hospital discharge decision making in response to system stress: a qualitative study
Background
The purpose of this qualitative study was to identify emergent rehabilitation innovations and clinician perceptions influencing their implementation and outcomes related to hospital discharge decision-making during the Coronavirus 2019 pandemic.
Methods
Rehabilitation clinicians were recruited from the Veterans Affairs Health Care System and participated in individual semi-structured interviews guided by the integrated Promoting Action on Research Implementation in Health Services (i-PARIHS) framework. Data were analyzed using a rapid qualitative, deductive team-based approach informed by directed content analysis.
Results
Twenty-three rehabilitation clinicians representing physical (
N
= 11) and occupational therapy (
N
= 12) participated in the study. Three primary themes were generated: (1) Innovation: emerging innovations in discharge processes included perceived increases in team collaboration, shifts in caseload prioritization, and alternative options for post-acute care. (2) Recipients: innovations emerged as approaches to communicating discharge recommendations changed (in-person to virtual) and strong patient/family preferences to discharge to the home challenged collaborative goal setting; and (3) Context: the ability of rehabilitation clinicians to innovate and the form of innovations were influenced by the broader hospital system, interdisciplinary team dynamics, and policy fluctuations. Innovations described by participants included (1) use of technological modalities for interdisciplinary collaboration, (2) expansion of telehealth modalities to deliver care in the home, (3) changes in acute care case prioritization, and (4) alternative options for discharge directly to home.
Conclusions
Our findings reinforce that rehabilitation clinicians developed innovative strategies to quickly adapt to multiple systems-level factors that were changing in the face of the COVID-19 pandemic. Future research is needed to assess the impact of innovations, remediate unintended consequences, and evaluate the implementation of promising innovations to respond to emerging healthcare delivery needs more rapidly.
Journal Article
Differential introgression of a female competitive trait in a hybrid zone between sex-role reversed species
Mating behavior between recently diverged species in secondary contact can impede or promote reproductive isolation. Traditionally, researchers focus on the importance of female mate choice and male–male competition in maintaining or eroding species barriers. Although female–female competition is widespread, little is known about its role in the speciation process. Here, we investigate a case of interspecific female competition and its influence on patterns of phenotypic and genetic introgression between species. We examine a hybrid zone between sex-role reversed, Neotropical shorebird species, the northern jacana (Jacana spinosa) and wattled jacana (J. jacana), in which female–female competition is a major determinant of reproductive success. Previous work found that females of the more aggressive and larger species, J. spinosa, disproportionately mother hybrid offspring, potentially by monopolizing breeding territories in sympatry with J. jacana. We find a cline shift of female body mass relative to the genetic center of the hybrid zone, consistent with asymmetric introgression of this competitive trait. We suggest that divergence in sexual characteristics between sex-role reversed females can influence patterns of gene flow upon secondary contact, similar to males in systems with more typical sex roles.
Journal Article
Maternal invasion history of Aedes aegypti and Aedes albopictus into the Isthmus of Panama: Implications for the control of emergent viral disease agents
Despite an increase in dengue outbreaks and the arrival of chikungunya and Zika disease in Panama, studies on the demographic history of the invasive Aedes mosquitoes that are the principle vectors of these diseases are still lacking in this region. Here, we assess the genetic diversity of these mosquitoes in order to decipher their invasion histories into the Isthmus of Panama. DNA sequences from the mitochondrial cytochrome C oxidase I gene obtained from 30 localities in 10 provinces confirmed the presence of more than one mitochondrial haplogroup (i.e., maternal lineage) in each species. The invasion of Aedes albopictus was likely from temperate European countries, as the most frequent and widespread haplogroup in Panama harbored variants that are uncommon elsewhere in the Americas. Two infrequent and geographically restricted Ae. albopictus haplotypes appear to have subsequently invaded Panama from neighboring Costa Rica and the USA, respectively. In addition, we recovered two deeply divergent mitochondrial clades in Panamanian Aedes aegypti. The geographic origins of these clades is unknown, given that divergence in the mitochondrial genome is probably due to ancient population processes within the native range of Ae. aegypti, rather than due to its global expansion out of Africa. However, Panamanian Ae. aegypti mitochondrial sequences within the first clade were closely related to others from Colombia, Bolivia, Brazil, Mexico and the USA, suggesting two separate invasions from Western Hemisphere source populations. The pattern of increased genetic diversity in Aedes mosquitoes in Panama is likely facilitated by the numerous land and water inter-connections across the country, which allows them to enter via sea- and land-transportation from Europe, North, Central and South America. Our results here should be considered in disease mitigation programs if emergent arboviruses are to be effectively diminished in Panama through vector suppression.
Journal Article
Implementing a new multidisciplinary, remote, dementia staff training program for Veterans affairs nursing homes
Background
Preventing Loss of Independence through Exercise (PLIÉ) is a group program for people living with dementia that combines movements to support daily function with present moment body awareness and social engagement that has been found to have physical, emotional, social, and cognitive benefits. The goal of this study was to develop and refine a PLIÉ remote training program for interdisciplinary Veterans Affairs (VA) nursing home staff members also known as community living center (CLC) staff.
Methods
This pre-implementation study used iterative Plan-Do-Study-Act (PDSA) cycles. The 10-week PDSA cycles occurred from June to September 2021 at 2 VA nursing home sites. Remote training was delivered via Microsoft Teams and included 1-hour live-streamed weekly didactic sessions (nursing staff with PLIÉ instructor) focused on PLIÉ principles and 1-hour weekly live-streamed experiential sessions for staff to apply PLIÉ principles with residents. We administered weekly feedback surveys to iteratively refine the training process.
Results
14 staff members participated (5 recreation therapists, 3 social workers, 2 registered nurses, 2 chaplains, 1 psychologist, and 1 speech pathologist). The experiential sessions were rated as most helpful overall. Key PDSA refinements included: (1) creating 10-minute video recording summaries to support learning, particularly for those unable to attend live training sessions due to clinical schedules; and (2) incorporating self-reflection and goal setting to support staff incorporation of PLIÉ principles into routine care and personal life. These refinements resulted in increased use of PLIÉ principles with the residents from 67 to 89% of the staff participants. 100% of regular attendees (11/11) rated their overall satisfaction with remote training as “very good” or “excellent.”
Conclusions
It was feasible to train interdisciplinary CLC staff participants to deliver an integrative group movement program for residents with dementia remotely. PDSA cycles supported refinement of the training process and improved uptake. A larger study of PLIÉ remote CLC staff training is needed to assess outcomes on residents and quality of care.
Journal Article