408 research outputs found
West Nile virus: the Italian national transplant network reaction to an alert in the north-eastern region, Italy 2011
We report four cases of West Nile virus (WNV) transmission following a single multiorgan donation in north-eastern Italy. The transmissions were promptly detected by local transplant centres. The donor had been tested for WNV by nucleic acid amplification test (NAT) prior to transplantation and was negative. There were no detected errors in the nationally implemented WNV safety protocols
Oral and anal high-risk human papilloma virus infection in HIV-positive men who have sex with men over a 24-month longitudinal study: Complexity and vaccine implications
BackgroundFew studies focused on longitudinal modifications over time of high-risk HPV (HR-HPV) at anal and oral sites in HIV+ men who have sex with men (MSM).MethodsWe described patterns and longitudinal changes of HR-HPV detection and the prevalence of HR-HPV covered by the nonavalent HPV vaccine (vax-HPV) at oral and anal sites in 165 HIV+ MSM followed in an Italian hospital. The samples were collected at baseline and after 24months (follow-up). The presence of HPV was investigated with Inno-LiPA HPV Genotyping Extra II.ResultsMedian age was 44years (IQR 36-53), median CD4+ cell count at nadir was 312 cells/mm(3) (IQR 187-450). A total of 120 subjects (72.7%) were receiving successful antiretroviral therapy (ART). At baseline and follow-up, the frequency of HR-HPV was significantly higher in the anal site (65.4% vs 9.4 and 62.4% vs 6.8%, respectively). Only 2.9% of subjects were persistently HR-HPV negative at both sites. All oral HR-HPV were single at baseline vs 54.6% at baseline at the anal site (p=0.005), and all oral HR-HPV were single at follow-up vs 54.4% at anal site at follow-up (p=0.002). The lowest rate of concordance between the oral and anal results was found for HR-HPV detection; almost all HR-HPV positive results at both anal and oral sites had different HR-HPV.The most frequent HR-HPV in anal swabs at baseline and follow-up were HPV-16 and HPV-52.At follow-up at anal site, 37.5% of patients had different HR-HPV genotypes respect to baseline, 28.8% of subjects with 1 HR-HPV at baseline had an increased number of HR-HPV, and patients on ART showed a lower frequency of confirmed anal HR-HPV detection than untreated patients (p=0.03) over time. Additionally,54.6 and 50.5% of patients had only HR-vax-HPV at anal site at baseline and follow-up, respectively; 15.2% had only HR-vax-HPV at baseline and follow-up.ConclusionsWe believe that it is important testing multiple sites over time in HIV-positive MSM. ART seems to protect men from anal HR-HPV confirmed detection. Vaccination programmes could reduce the number of HR-HPV genotypes at anal site and the risk of the first HR-HPV acquisition at the oral site
Hpv-specific systemic antibody responses and memory b cells are independently maintained up to 6 years and in a vaccine-specific manner following immunization with cervarix and gardasil in adolescent and young adult women in vaccination programs in Italy
Human papillomavirus (HPV) persistent infections are associated with cervical cancer and other HPV-related diseases and tumors. Thus, the characterization of long lasting immunity to currently available HPV vaccines is important. A total of 149 female subjects vaccinated with Cervarix or Gardasil participated to the study and they were stratified according to age (10–12-year-old and 16–20-year-old). Humoral immune responses (IgG and neutralizing antibody titers, antibody avidity) and circulating memory B cells were analyzed after an average of 4–6 years from the third immunization. The humoral responses against HPV-16 and HPV-18 (and HPV-6 and HPV- 11 for Gardasil) were high in both age groups and vaccines up to six years from the third dose. However, Cervarix induced significantly higher and more persistent antibody responses, while the two vaccines were rather equivalent in inducing memory B cells against HPV-16 and HPV-18. Moreover, the percentage of subjects with vaccine-specific memory B cells was even superior among Gardasil vaccinees and, conversely, Cervarix vaccinated individuals with circulating antibodies, but undetectable memory B cells were found. Finally, a higher proportion of Cervarix-vaccinated subjects displayed cross-neutralizing responses against non-vaccine types HPV-31 and HPV-45. Gardasil and Cervarix may, thus, differently affect long-lasting humoral immunity from both the quantitative and qualitative point of view
Research protocol for impact assessment of a project to scale up food policies in the Pacific
Background: One of the challenges for countries implementing food policy measures has been the difficulty in demonstrating impact and retaining stakeholder support. Consequently, research funded to help countries overcome these challenges should assess impact and translation into practice, particularly in low-resource settings. However, there are still few attempts to prospectively, and comprehensively, assess research impact. This protocol describes a study co-created with project implementers, collaborative investigators and key stakeholders to optimize and monitor the impact of a research project on scaling up food policies in Fiji. Methods: To develop this protocol, our team of researchers prospectively applied the Framework to Assess the Impact from Translational health research (FAIT). Activities included (i) developing a logic model to map the pathway to impact and establish domains of benefit; (ii) identifying process and impact indicators for each of these domains; (iii) identifying relevant data for impact indicators and a cost–consequence analysis; and (iv) establishing a process for collecting quantitative and qualitative data to measure progress. Impact assessment data will be collected between September 2022 and December 2024, through reports, routine monitoring activities, group discussions and semi-structured interviews with key implementers and stakeholders. The prospective application of the protocol, and interim and final research impact assessments of each project stream and the project as a whole, will optimize and enable robust measurement of research impact. Discussion: By applying this protocol, we aim to increase understanding of pathways to impact and processes that need to be put in place to achieve this. This impact evaluation will inform future projects with a similar scope and will identify transferable and/or translatable lessons for other Pacific Island states and low- and middle-income countries
Desempenho produtivo de animais da raça Nelore submetidos a diferentes métodos de castração.
A castração é uma prática comum e rotineira na pecuária de corte no Brasil, e tem como vantagens facilitar o manejo e melhorar a qualidade da carcaça. Nesse sentido foi conduzido um estudo no perÃodo de março de 2016 a janeiro de 2017, com o intuito de avaliar o desempenho produtivo de novilhos da raça Nelore, submetidos a dois métodos de castração, nas condições ambientais de Senador Guiomard, Acre. Avaliou-se, durante 319 dias, 102 animais da raça Nelore, com idade e peso médio iniciais de 20 meses e 377 kg, respectivamente
Effectiveness of Oral Health Promotion Interventions
The aim of this Evidence Check rapid review—funded by the Victorian Department of Health and commissioned by the Dental Health Services Victoria—is to synthesise the evidence for the effectiveness of oral health promotion interventions in the Australian population. It contains 46 reviews published between 2012 and 2021 that included studies conducted in Australia and other countries and jurisdictions with comparable health systems to Victoria and Australia, i.e. the UK, New Zealand, Canada and the US
CaracterÃsticas de carcaça de animais da raça Nelore submetidos a diferentes métodos de castração.
O rendimento de carcaça expressa a relação percentual entre o peso da carcaça e o peso vivo do animal, podendo variar em função da raça, sexo, peso de abate, sistema de alimentação e idade do animal. Nesse sentido foi conduzido um estudo no perÃodo de março de 2016 a janeiro de 2017, com o intuito de avaliar as caracterÃsticas da carcaça de novilhos da raça Nelore, submetidos a dois métodos de castração, nas condições ambientais de Senador Guiomard, Acre. Avaliou-se, durante 319 dias, 108 animais da raça Nelore, com idade e peso médio iniciais de 20 meses e 377 kg, respectivamente
Efeitos da variação de nitrogênio em calos de quebra-pedra (Phyllanthus niruri L.).
Resumo apresentado no 7º Congresso Brasileiro de Fisiologia Vegetal
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