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Pesquisa | Influenza A (H1N1)

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Resultados  1-12 de 2.957

Respuesta inmune humoral inducida por la vacuna influenza en niños con diagnóstico de leucemia linfoblástica aguda/ Humoral immune response induced by influenza vaccine in children with acute lymphoblastic leukemia

Autor(es): Cerda, Carolina; Martínez-Valdebenito, Constanza; Barriga, Francisco; Contreras, Marcela; Vidal, Marcela; Moreno, Rosa; Claverie, Ximena; Contreras, Paola; Huenuman, Lesly; García, Tamara; Rathnasighe, Raveen; Medina, Rafael; Ferrés, Marcela; Le Corre, Nicole
Fonte: Rev. chil. infectol;37(2): 138-146, abr. 2020. tab, graf
LILACS - Literatura Latino-Americana e do Caribe em Ciências da Saúde ID: 1126100
Resumo: Resumen Introducción: Los pacientes con leucemia linfoblástica aguda (LLA) tienen alto riesgo de influenza grave y la vacunación es altamente recomendada. La inmunogenicidad y efectividad de la vacuna es menor comparada a los sujetos sanos. Objetivo: Evaluar la respuesta inmune inducida por vacuna anti-influenza en niños con LLA y observar su efectividad. Métodos: Se reclutaron niños con LLA en terapia de mantención y niños sanos. Se tomaron muestras de sangre el día de la vacun (mais)

Factors associated with adverse outcomes during influenza outbreaks in aged care facilities.

Autor(es): Tennant, Elaine; Fletcher, Stephanie; Kakar, Sheena; Najjar, Zeina; Lord, Heidi; Clark, Penelope; Gupta, Leena
Fonte: Aust N Z J Public Health;44(1): 65-72, 2020 Feb.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31617654
Resumo: OBJECTIVE: To explore factors associated with adverse outcomes during influenza outbreaks in residential aged care facilities. METHODS: A retrospective cohort study of all outbreaks reported to three Sydney metropolitan Public Health Units during 2017. RESULTS: A total of 123 outbreaks affected 1,787 residents and 543 staff. Early notification to a Public Health Unit was associated with shorter outbreak duration (p<0.001; B=0.674). Resident attack rates and resident mortality rates were low (mais)

Estimation of the Effectiveness of Quadrivalent Influenza Vaccines by Distinguishing Between Influenza A (H1N1) pdm09 and Influenza A (H3N2) Using Rapid Influenza Diagnostic Tests During the 2018-2019 Season.

Autor(es): Ando, Soichiro
Fonte: Intern Med;59(7): 933-940, 2020 Apr 01.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31787695
Resumo: Objective To estimate the effectiveness of quadrivalent influenza vaccines during the 2018-2019 season for influenza A (H1N1) pdm09 and A (H3N2) in all age groups. Methods A test-negative case-control study was performed. Patients A total of 1,331 participants were divided into 4 groups (younger children: ≤6 years, older children: 7-15 years, younger adults: 16-64 years, and older adults: ≥65 years). Results For all children, the adjusted vaccine effectiveness (VE) was significa (mais)

Validation of the Seegene RV15 multiplex PCR for the detection of influenza A subtypes and influenza B lineages during national influenza surveillance in hospitalized adults.

Autor(es): LeBlanc, J J; ElSherif, M; Mulpuru, S; Warhuus, M; Ambrose, A; Andrew, M; Boivin, G; Bowie, W; Chit, A; Dos Santos, G; Green, K; Halperin, S A; Hatchette, T F; Ibarguchi, B; Johnstone, J; Katz, K; Langley, J M; Lagacé-Wiens, P; Loeb, M; Lund, A; MacKinnon-Cameron, D; McCarthy, A; McElhaney, J E; McGeer, A; Poirier, A; Powis, J; Richardson, D; Semret, M; Shinde, V; Smyth, D; Trottier, S; Valiquette, L; Webster, D; Ye, L; McNeil, S A
Fonte: J Med Microbiol;69(2): 256-264, 2020 Feb.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31264957
Resumo: Background. The Serious Outcomes Surveillance Network of the Canadian Immunization Research Network (CIRN SOS) has been performing active influenza surveillance since 2009 ( identifier: NCT01517191). Influenza A and B viruses are identified and characterized using real-time reverse-transcriptase polymerase chain reaction (RT-PCR), and multiplex testing has been performed on a subset of patients to identify other respiratory virus aetiologies. Since both methods can identif (mais)

Spectrum of clinical and radiographic findings in patients with diagnosis of H1N1 and correlation with clinical severity.

Autor(es): Schoen, Karla; Horvat, Natally; Guerreiro, Nicolau F C; de Castro, Isac; de Giassi, Karina S
Fonte: BMC Infect Dis;19(1): 964, 2019 Nov 12.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31718571
Resumo: BACKGROUND: The aim of this study was to evaluate the correlation between clinical and imaging findings with a worse clinical outcome in patients with a confirmed diagnosis of H1N1 influenza A virus. METHODS: Patients with a positive viral test for influenza A H1N1 in 2016 and chest radiography (CR) and/or computed tomography (CT) results had clinical and imaging data reviewed. Hospitalization, admission to the intensive care unit or death were defined as worse clinical outcomes. The associ (mais)

Exit and Entry Screening Practices for Infectious Diseases among Travelers at Points of Entry: Looking for Evidence on Public Health Impact.

Autor(es): Mouchtouri, Varvara A; Christoforidou, Eleni P; An der Heiden, Maria; Menel Lemos, Cinthia; Fanos, Margherita; Rexroth, Ute; Grote, Ulrike; Belfroid, Evelien; Swaan, Corien; Hadjichristodoulou, Christos
Fonte: Int J Environ Res Public Health;16(23)2019 11 21.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31766548
Resumo: A scoping search and a systematic literature review were conducted to give an insight on entry and exit screening referring to travelers at points of entry, by analyzing published evidence on practices, guidelines, and experiences in the past 15 years worldwide. Grey literature, PubMed. and Scopus were searched using specific terms. Most of the available data identified through the systematic literature review concerned entry screening measures at airports. Little evidence is available abou (mais)

Post-pandemic influenza A/H1N1pdm09 is associated with more severe outcomes than A/H3N2 and other respiratory viruses in adult hospitalisations.

Autor(es): Minney-Smith, C A; Selvey, L A; Levy, A; Smith, D W
Fonte: Epidemiol Infect;147: e310, 2019 11 28.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31775940
Resumo: This study compares the frequency and severity of influenza A/H1N1pdm09 (A/H1), influenza A/H3N2 (A/H3) and other respiratory virus infections in hospitalised patients. Data from 17 332 adult hospitalised patients admitted to Sir Charles Gairdner Hospital, Perth, Western Australia, with a respiratory illness between 2012 and 2015 were linked with data containing reverse transcription polymerase chain reaction results for respiratory viruses including A/H1, A/H3, influenza B, human metapneum (mais)

Ultrasensitive Electrical Detection of Hemagglutinin for Point-of-Care Detection of Influenza Virus Based on a CMP-NANA Probe and Top-Down Processed Silicon Nanowire Field-Effect Transistors.

Autor(es): Uhm, Mihee; Lee, Jin-Moo; Lee, Jieun; Lee, Jung Han; Choi, Sungju; Park, Byung-Gook; Kim, Dong Myong; Choi, Sung-Jin; Mo, Hyun-Sun; Jeong, Yong-Joo; Kim, Dae Hwan
Fonte: Sensors (Basel);19(20)2019 Oct 17.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31627298
Resumo: Rather than the internal genome nucleic acids, the biomolecules on the surface of the influenza virus itself should be detected for a more exact and rapid point-of-care yes/no decision for influenza virus-induced infectious diseases. This work demonstrates the ultrasensitive electrical detection of the HA1 domain of hemagglutinin (HA), a representative viral surface protein of the influenza virus, using the top-down complementary metal oxide semiconductor (CMOS) processed silicon nanowire ( (mais)

Highly Sensitive in Vitro Diagnostic System of Pandemic Influenza A (H1N1) Virus Infection with Specific MicroRNA as a Biomarker.

Autor(es): Lim, Jaewoo; Byun, Jihyun; Guk, Kyeonghye; Hwang, Seul Gee; Bae, Pan Kee; Jung, Juyeon; Kang, Taejoon; Lim, Eun-Kyung
Fonte: ACS Omega;4(11): 14560-14568, 2019 Sep 10.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31528810
Resumo: Several microRNAs (miRNAs) have been reported to be closely related to influenza A virus infection, replication, and immune response. Therefore, the development of the infectious-disease detection system using miRNAs as biomarkers is actively underway. Herein, we identified two miRNAs (miR-181c-5p and miR-1254) as biomarkers for detection of pandemic influenza A H1N1 virus infection and proposed the catalytic hairpin assembly-based in vitro diagnostic (CIVD) system for a highly sensitive di (mais)

Anatomy of a demand shock: Quantitative analysis of crowding in hospital emergency departments in Victoria, Australia during the 2009 influenza pandemic.

Autor(es): Sivey, Peter; McAllister, Richard; Vally, Hassan; Burgess, Anna; Kelly, Anne-Maree
Fonte: PLoS One;14(9): e0222851, 2019.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31550288
Resumo: OBJECTIVE: An infectious disease outbreak such as the 2009 influenza pandemic is an unexpected demand shock to hospital emergency departments (EDs). We analysed changes in key performance metrics in (EDs) in Victoria during this pandemic to assess the impact of this demand shock. DESIGN AND SETTING: Descriptive time-series analysis and longitudinal regression analysis of data from the Victorian Emergency Minimum Dataset (VEMD) using data from the 38 EDs that submit data to the state's Depar (mais)

Detection of pandemic influenza A/H1N1/pdm09 virus among pigs but not in humans in slaughterhouses in Kenya, 2013-2014.

Autor(es): Osoro, Eric Mogaka; Lidechi, Shirley; Nyaundi, Jeremiah; Marwanga, Doris; Mwatondo, Athman; Muturi, Mathew; Ng'ang'a, Zipporah; Njenga, Kariuki
Fonte: BMC Res Notes;12(1): 628, 2019 Sep 24.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31551085
Resumo: OBJECTIVE: We conducted four cross-sectional studies over 1 year among humans and pigs in three slaughterhouses in Central and Western Kenya (> 350 km apart) to determine infection and exposure to influenza A viruses. Nasopharyngeal (NP) and oropharyngeal (OP) swabs were collected from participants who reported acute respiratory illness (ARI) defined as fever, cough or running nose. Nasal swabs and blood samples were collected from pigs. Human NP/OP and pig nasal swabs were tested for inf (mais)

Respiratory Virus Infections in People Over 14 Years of Age in Poland in the Epidemic Season of 2017/18.

Autor(es): Szymanski, K; Luniewska, K; Hallmann-Szelinska, E; Kowalczyk, D; Salamatin, R; Masny, A; Brydak, L B
Fonte: Adv Exp Med Biol;1222: 75-80, 2019.
MEDLINE - Literatura Internacional em Ciências da Saúde PMID: 31559569
Resumo: People most at risk of influenza complications are the elderly with impaired immunity. Clinical picture of influenza virus infection includes symptoms such as chills, increased body temperature, dry cough, chest pain, or dizziness as well as headaches and muscle aches. In the diagnosis of influenza, quick and effective tests are necessary. Sensitive diagnostic methods of molecular biology require more time, but the result firmly confirm or exclude the presence of the genetic material of inf (mais)
Resultados  1-12 de 2.957