Recombination events have been described in the Coronaviridae family. Since the beginning of the SARS-CoV-2 pandemic, a variable degree of selection pressure has acted upon the virus, generating new strains with increased fitness in terms of viral transmission and antibody scape. Most of the SC2 variants of concern (VOC) detected so far carry a combination of key amino acid changes and indels.
View Article and Find Full Text PDFObjective: The aim of this study was to assess the burden experienced by the caregivers of patients with pressure ulcers (PUs) and the variables that might contribute to its manifestation.
Method: This cross-sectional study enrolled primary care patients and their informal caregivers. To assess the burden experienced by the caregivers, the Zarit Burden Interview, short-form version (ZBI) was used.
The progressive loss of functional capacity due to aging is a serious problem that can compromise human locomotion capacity, requiring the help of an assistant and reducing independence. The NanoStim project aims to develop a system capable of performing treatment with electrostimulation at the patient's home, reducing the number of consultations. The knee angle is one of the essential attributes in this context, helping understand the patient's movement during the treatment session.
View Article and Find Full Text PDFOnline experiments are an alternative for researchers interested in conducting behavioral research outside the laboratory. However, an online assessment might become a challenge when long and complex experiments need to be conducted in a specific order or with supervision from a researcher. The aim of this study was to test the computational validity and the feasibility of a remote and synchronous reinforcement learning (RL) experiment conducted during the social-distancing measures imposed by the pandemic.
View Article and Find Full Text PDFBackground: The needs of patients with cancer must be met, especially in times of crisis. The advent of the pandemic triggered a series of strategic actions by the nursing team to preserve the health of patients and professionals-hence the importance of studies on nursing care actions provided to patients with cancer during the COVID-19 pandemic. It is known that these patients are susceptible to severe COVID-19.
View Article and Find Full Text PDFThe 2018 outbreak of myxomatosis in the Iberian hare (Lepus granatensis) has been hypothesized to originate from a species jump of the rabbit-associated myxoma virus (MYXV), after natural recombination with an unknown poxvirus. Iberian hares were long considered resistant to myxomatosis as no prior outbreaks were reported. To provide insights into the emergence of this recombinant virus (ha-MYXV), we investigated serum samples from 451 Iberian hares collected over two time periods almost two decades apart, 1994-1999 and 2017-2019 for the presence of antibodies and MYXV-DNA.
View Article and Find Full Text PDFInadequate infection control, wound care, and oral hygiene protocols in nursing homes pose challenges to residents' quality of life. Based on the outcomes from a focus group meeting and a literature search, this narrative review evaluates the current and potential roles of antiseptics within nursing home infection management procedures. We examine contemporary strategies and concerns within the management of meticillin-resistant Staphylococcus aureus (MRSA; including decolonization regimes), chronic wound care, and oral hygiene, and review the available data for the use of antiseptics, with a focus on povidone-iodine.
View Article and Find Full Text PDFBesnoitia besnoiti is an apicomplexan parasite whose life cycle is not completely understood. It is assumed that this parasite might have an indirect life cycle with a carnivore as a definitive host able to shed oocysts after the ingestion of mature cysts in tissues of an infected intermediate host. Cattle and wild cervids on the Iberian Peninsula can act as intermediate hosts of B.
View Article and Find Full Text PDFThis study assesses parasitism and pathologic manifestations in free-ranging . A total of 96 rattlesnakes from the State of Minas Gerais (southeast Brazil) were necropsied between September 2019 and February 2020. Granulomatous gastritis affected 48% (46 of 96) of the snakes evaluated, which were associated with the ascaridid nematodes sp.
View Article and Find Full Text PDFThe contribution of wildlife species to pathogen maintenance in multi-host communities has seldom been quantified. To assess the relative contribution of the main wildlife hosts of animal tuberculosis (TB) to its maintenance, we estimated the basic reproduction number (R) of Mycobacterium tuberculosis complex in wild boar and red deer at 29 sites in the Iberian Peninsula. Host abundance and true TB prevalence were estimated for each species at each site by sampling from distributions incorporating the uncertainty in the proportion of the population harvested each year, sensitivity, and specificity of the diagnostic methods, while excretion of mycobacteria was estimated using site-occupancy models.
View Article and Find Full Text PDFTuberculosis is a major global concern. Tuberculosis in wildlife is a risk for zoonotic transmission and becoming one of the challenges for conservation globally. In elephants, the number of cases is likely rising.
View Article and Find Full Text PDFIn this work, a metabolic profile of was investigated, and in vitro assays and theoretical approaches were carried out to evaluate its antioxidant potential. The phytochemical screening detected saponins, organic acids, phenols, tannins, flavonoids, and alkaloids in extracts of leaves, branches, and roots. Through LC-MS analysis, the triterpenes oleanolic acid (/ 455 [M-H]) and ursolic acid (/ 455 [M-H]) were identified as the main bioactive components.
View Article and Find Full Text PDFPredicting patient response to treatment and the onset of chemoresistance are still major challenges in oncology. Chemoresistance is deeply influenced by the complex cellular interactions occurring within the tumor microenvironment (TME), including metabolic crosstalk. We have previously shown that ex vivo tumor tissue cultures derived from ovarian carcinoma (OvC) resections retain the TME components for at least four weeks of culture and implemented assays for assessment of drug response.
View Article and Find Full Text PDFDespite the recent advances raised in the molecular era to the taxonomic knowledge of species of the family Clinostomidae, especially those belonging to the specious genus , some groups of these vertebrate parasites remain poorly studied. This is the case of species of the enigmatic genus Witenberg, 1926, until recently monotypic and restricted to South America, but with its occurrence expanded to North America after the description of . Rosser et al.
View Article and Find Full Text PDFBackground And Purpose: Incongruent beliefs about self-localization in space markedly disturb patients' behavior. Spatial delusions, or reduplicative paramnesias, are characterized by a firm conviction of place reduplication, transformation, or mislocation. Evidence suggests they are frequent after right hemisphere lesions, but comprehensive information about their clinical features is lacking.
View Article and Find Full Text PDFEpstein−Barr virus (EBV) is a saliva-borne ɣ-herpesvirus associated with benign and malignant lymphoproliferation. EBV-mediated tumorigenic mechanisms are not fully understood and may be related to viral genetic variations. In this work, we characterize the genetic diversity of EBV from Brazil, assessing 82 samples derived from saliva from asymptomatic carriers (n = 45), biopsies of benign reactive hyperplasia (n = 4), and lymphomas (n = 33).
View Article and Find Full Text PDFIntroduction: An estimated 1.5 million cases were reported in Pakistan until 23 March, 2022. However, SARS-CoV-2 PCR testing capacity has been limited and the incidence of COVID-19 infections is unknown.
View Article and Find Full Text PDFAnn Allergy Asthma Immunol
January 2023
Background: Allergic reactions account for 2% to 4% of medical events in-flight and 5.5% of all medical events in passengers 18 years and under.
Objective: To evaluate the incidence of in-flight allergic events including availability, use of epinephrine, and final patient outcome.
Purpose: To describe positive mental health (PMH) psychological vulnerability (PV) and identify predictors of PMH in higher education students (HES).
Design And Methods: A cross-sectional, predictive study was performed with a convenience sample of 3322 students, using an online questionnaire with sociodemographic information, the PMH Questionnaire, and the PV Scale.
Findings: The majority scored a flourishing level, and 67.
Background: Acute osteoarticular infections (OAI) in infants under 3 months of age (≤3M) are rare and remain a diagnostic challenge. Orthopedic complications and functional sequelae have been less well described in this age group. Our aims were to evaluate trends in aetiology, management, and outcomes of OAI ≤ 3M, and to compare these younger children who have OAI with older children.
View Article and Find Full Text PDFMath Comput Simul
December 2022
From a methodology in the reconstruction scheme, applicable to chaotic time series of economic indices, this paper presents an analysis of the underlying dynamics of stock markets of North America, Europe and Asia. The same global fit model and reconstruction parameters-employed to study the time evolution of S&P 500, NASDAQ Composite, IBEX 35, EURONEXT 100, Nikkei 225 and SSE Composite Index-led a convenient simplification in the analysis. The tools chosen to analyse the time dependence of the level of chaos concerning weeks of economic activity were scatter plots, histograms and sample Spearman correlation coefficients.
View Article and Find Full Text PDFIntroduction: In order to assess and to follow up the evolution of chronic wounds, it is advisable to apply measurement scales. This procedure allows clinicians to verify the appropriateness of their activities and whether the healing process is evolving as expected.
Aim: To conduct a cross-cultural adaptation and psychometric analysis of Portuguese version of RESVECH 2.
Objective: to investigate the percentage of professionals with an intention to leave Nursing during the COVID-10 pandemic, as well as the factors associated with this outcome.
Method: a cross-sectional study conducted by applying questionnaires to 890 Nursing professionals from the municipality of Pelotas (RS). The outcome was identified by means of self-reports obtained from the question itself.
Objective: To evaluate indicators of oral health conditions and behaviours among Brazilian adults in the 2019 National Health Survey (PNS) and analyse the evolution of those indicators compared to the 2013 PNS.
Methods: Cross-sectional study. Prevalence ratios of oral health conditions and behaviours, in 2019, were estimated by demographic characteristics.