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Recently, there have been reports worldwide of a multidrug-resistant, emergent Salmonella Infantis (ESI) clone with a large megaplasmid (pESI), often containing the extended-spectrum beta-lactamase gene blaCTX-M-65. This clone also has a gyrA mutation conferring fluoroquinolone resistance, further limiting treatment options. In the United States, this clone has also been found in poultry sources, indicating a likely source of human illnesses. We conducted short-read sequencing of Salmonella enterica isolated from retail meats as part of routine surveillance by the National Antimicrobial Resistance Monitoring System (NARMS). We analyzed the resulting data temporally and geographically to determine when and where the ESI clone has spread in the United States. We found the ESI clone was first found in retail meats in Tennessee in 2014, but by 2019 was throughout the United States and comprised 29% of all Salmonella isolated from retail chickens, and 7% from retail turkey. Of these isolates, 85.0% were within 20 single nucleotide polymorphisms (SNPs) of those causing human illnesses. Long-read sequencing data indicated substantial recombination in the pESI plasmid resulting in the presence of 0-10 resistance genes, despite all their chromosomes being within 31 SNPs of one another. This work demonstrates the rapid spread of this clone of Salmonella Infantis in poultry in the United States, with the potential for increased burden of human illness attributed to this multidrug-resistant pathogen.Human communities living near nonhuman primate habitats often depend on wood from forests for their energy needs. Improving the efficiency of local cook stoves is a potential "win-win" solution that is commonly promoted to protect forests and improve human health and development. Despite the popularity of improved stove projects in primate conservation, few outcomes have been formally published. As a result, it is currently unclear whether this approach is a wise investment of limited conservation funds. This paper describes a pilot study conducted by the Gorilla Rehabilitation and Conservation Education Center to evaluate the potential for using improved stoves for the conservation of an important habitat for Grauer's gorillas and chimpanzees in eastern Democratic Republic of Congo. Community surveys and observations of human forest use revealed a heavy local reliance on forest-derived wood. Wood was the main source of fuel used in households, the most highly valued forest resource, and the primary resource extracted during forest observations. It was primarily collected by women and children. The use of traditional, inefficient three-stone hearths for cooking was also widespread. A 2-year campaign using a community-based social marketing approach resulted in an increase in improved stove installations from 18% to 78% of households in one village. After stove adoption, weekly household wood consumption was reduced by half. Campaign elements that showed promise include promotion using women's networks and intensive follow-up assessment and support. We conclude that, if scaled up, improved stoves may be a useful strategy for reducing encroachment into our target protected area but that successful implementation will require a significant long-term commitment with evaluation and oversight. It is recommended that before investing in improved stoves, primate conservation projects take long-term and evaluation requirements into consideration.As a simple, clean and effective tool, micro bubbles have enabled advances in various lab on a chip (LOC) applications recently. In bubble-based microfluidic applications, techniques for capturing and controlling the bubbles play an important role. Here we review active and passive techniques for bubble trapping and control in microfluidic applications. The active techniques are categorized based on various types of external forces from optical, electric, acoustic, mechanical and thermal fields. The passive approaches depend on surface tension, focusing on optimization of microgeometry and modification of surface properties. We discuss control techniques of size, location and stability of microbubbles and show how these bubbles are employed in various applications. To finalize, by highlighting the advantages of these approaches along with the current challenges, we discuss the future prospects of bubble trapping and control in microfluidic applications.Immune and inflammatory responses to SARS-CoV-2 contribute to disease severity of COVID-19. However, the utility of specific immune-based biomarkers to predict clinical outcome remains elusive. Here, we analyzed levels of 66 soluble biomarkers in 175 Italian patients with COVID-19 ranging from mild/moderate to critical severity, and assessed type-I IFN-, type-II IFN-, and NF-κB-dependent whole blood transcriptional signatures. A broad inflammatory signature was observed, implicating activation of various immune and non-hematopoietic cell subsets. Discordance between IFN-α2a protein and IFNA2 transcript levels in blood suggests that type-I IFNs during COVID-19 may be primarily produced by tissue-resident cells. see more Multivariable analysis of patients' first samples revealed 12 biomarkers (CCL2, IL-15, sST2, NGAL, sTNFRSF1A, ferritin, IL-6, S100A9, MMP-9, IL-2, sVEGFR1, IL-10) that when increased were independently associated with mortality. Multivariate analyses of longitudinal biomarker trajectories identified 8 of the aforementioned biomarkers (IL-15, IL-2, NGAL, CCL2, MMP-9, sTNFRSF1A, sST2, IL-10) and two additional biomarkers (lactoferrin, CXCL9) that were significantly associated with mortality when increased, while IL-1α was associated with mortality when decreased. Among these, sST2, sTNFRSF1A, IL-10, and IL-15 were consistently higher throughout the hospitalization in patients who died versus those who recovered, suggesting that these biomarkers may provide an early warning of eventual disease outcome.A qualitative study was undertaken to explore the barriers and facilitators to colorectal cancer (CRC) screening among older Korean Americans (KAs). Four focus groups with 25 male and female KA participants and one focus group comprising five KA health professionals were conducted in the Atlanta Metropolitan area. Interpretive analyses of the interview data revealed barriers regarding CRC screening for KAs included a lack of CRC knowledge, embarrassment during the screening tests, CRC-related fatalism, and modesty, no perceived need for the screening, poor English proficiency, and mistrust of the American healthcare system. The results also indicated that doctors' screening recommendations and access to Korean doctors positively influence KAs' decision to participate in CRC screening. Public health social workers should consider integrating age- and gender-specific cultural contexts when developing interventions and programs for CRC screening targeted to older KAs.
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