Preparing Intensive Care for the Next Pandemic Influenza Preparing Intensive Care for the Next Pandemic Influenza

Are ICUs adequately prepared for the next major flu pandemic?Critical Care
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Critical Care Journal Article Source Type: news

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Lower respiratory tract infections, such as infections caused by influenza A viruses, are a constant threat for public health. Antivirals are indispensable to control disease caused by epidemic as well as pandemic influenza A. We developed a novel anti-influenza A virus approach based on an engineered single-domain antibody (VHH) construct that can selectively recruit innate immune cells to the sites of virus replication. This protective construct comprises two VHHs. One VHH binds with nanomolar affinity to the conserved influenza A matrix protein 2 (M2) ectodomain (M2e). Co-crystal structure analysis revealed that the com...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Authors: Rebmann T, Charney RL, Loux TM, Turner JA, Abbyad YS, Silvestros M Abstract Objective Identify determinants of emergency medical service (EMS) personnel's willingness to work during an influenza pandemic.Background Little is known about the willingness of EMS personnel to work during a future influenza pandemic or the extent to which they are receiving pandemic training.Methods EMS personnel were surveyed in July 2018 - Feb 2019 using a cross-sectional approach; the survey was available both electronically and on paper. Participants were provided a pandemic scenario and asked about their willingness to res...
Source: Prehospital Emergency Care - Category: Endocrinology Tags: Prehosp Emerg Care Source Type: research
CONCLUSIONS: The ARI burden in the armed services remains significant every year and the threat is dynamic given emergent and evolving threats, such as influenzas. With strong successes to date, future initiatives of the ARI Research Area will focus on interventional studies, ARI transmission dynamics in congregate military settings, and determinants of risk of pandemic influenza and other emergent respiratory viruses. PMID: 31778194 [PubMed - in process]
Source: Military Medicine - Category: International Medicine & Public Health Tags: Mil Med Source Type: research
Chen Infectious diseases are an important cause of human death. The study of the pathogenesis, spread regularity, and development trend of infectious diseases not only provides a theoretical basis for future research on infectious diseases, but also has practical guiding significance for the prevention and control of their spread. In this paper, a controlled differential equation and an objective function of infectious diseases were established by mathematical modeling. Based on cellular automata theory and a compartmental model, the SLIRDS (Susceptible-Latent-Infected-Recovered-Dead-Susceptible) model was constructed...
Source: International Journal of Environmental Research and Public Health - Category: Environmental Health Authors: Tags: Article Source Type: research
Publication date: Available online 22 November 2019Source: Veterinary MicrobiologyAuthor(s): Jiahui Liu, Zihe Li, Yanlei Cui, Haiyan Yang, Hu Shan, Chuanmei ZhangAbstractWe evaluated the phenotype and genotype of a fatal influenza/canine distemper virus coinfection found in farmed mink in China. We identified a novel subtype H1N1 influenza virus strain from the lungs of infected mink designated A/Mink/Shandong/1121/2017 (H1N1). The results of phylogenetic analysis of 8 gene fragments of the H1N1 strain showed the virus was a swine origin triple-reassortant H1N1 influenza virus: with the 2009 pandemic H1N1 segments (PB2, PB...
Source: Veterinary Microbiology - Category: Veterinary Research Source Type: research
Contributors : Ariel Rodriguez-Frandsen ; Laura Martin-Sancho ; Anshu P Gounder ; Sumit K ChandaSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensInfluenza A virus (IAV) is a human respiratory pathogen that causes yearly global epidemics, and sporadic pandemics due to human adaptation of pathogenic strains. Efficient replication of IAV in different species is, in part, dictated by its ability to exploit the genetic environment of the host cell. To investigate IAV tropism in human cells, we evaluated the replication of IAV strains in a diverse subset of epithelial cell lines. HeLa cells ...
Source: GEO: Gene Expression Omnibus - Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Homo sapiens Source Type: research
Publication date: 19 November 2019Source: Cell Reports, Volume 29, Issue 8Author(s): Ying Xu, Ruchao Peng, Wei Zhang, Jianxun Qi, Hao Song, Sheng Liu, Haiyuan Wang, Min Wang, Haixia Xiao, Lifeng Fu, Zheng Fan, Yuhai Bi, Jinghua Yan, Yi Shi, George F. GaoSummarySince 2013, H7N9 avian influenza viruses (AIVs) have caused more than 1,600 human infections, posing a threat to public health. An emerging concern is whether H7N9 AIVs will cause pandemics among humans. Molecular analysis of hemagglutinin (HA), which is a critical determinant of interspecies transmission, shows that the current H7N9 AIVs are still dual-receptor trop...
Source: Cell Reports - Category: Cytology Source Type: research
Abstract BACKGROUND: The emergence and spread of highly pathogenic avian influenza (H5N1) viruses have raised global concerns of a possible human pandemic, spurring efforts towards H5N1 influenza vaccine development and improvements in vaccine administration methods. We previously showed that a prime-boost vaccination strategy induces robust and broadly cross-reactive antibody responses against the hemagglutinin globular head domain. Here, we specifically measure antibodies against the conserved hemagglutinin stem region in serum samples obtained from the prior study to determine whether stalk-reactive antibodies ...
Source: Vaccine - Category: Allergy & Immunology Authors: Tags: Vaccine Source Type: research
This study reports virological and epidemiological data accumulated through passive surveillance conducted during 1,825 herd visits from 2011 to 2018. Among them, 887 (48.6%) tested swIAV-positive. The proportion of positive cases remained stable year-on-year and year-round. The European avian-like swine H1N1 (H1avN1) virus was the most frequently identified (69.6%), and was widespread across the country. The European human-like reassortant swine H1N2 (H1huN2) virus accounted for 22.1% and was only identified in the north-western quarter and recently in the far north. The 2009 pandemic H1N1 (H1N1pdm) virus (3.6%) was detec...
Source: Veterinary Microbiology - Category: Veterinary Research Source Type: research
yn Kobasa Influenza A viruses (IAVs) are important animal and human emerging and re-emerging pathogens that are responsible for yearly seasonal epidemics and sporadic pandemics. IAVs cause a wide range of clinical illnesses, from relatively mild infections by seasonal strains, to acute respiratory distress during infections with highly pathogenic avian IAVs (HPAI). For this study, we infected A549 human lung cells with lab prototype A/PR/8/34 (H1N1) (PR8), a seasonal H1N1 (RV733), the 2009 pandemic H1N1 (pdm09), or with two avian strains, an H5N1 HPAI strain or an H7N9 strain that has low pathogenicity in birds but hig...
Source: Viruses - Category: Virology Authors: Tags: Article Source Type: research
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