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Influenza mortality

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https://www.readbyqxmd.com/read/28533080/influenza-vaccination-for-patients-with-chronic-obstructive-pulmonary-disease-implications-for-pharmacists
#1
Rasha M Arabyat, Dennis W Raisch, Ludmila Bakhireva
BACKGROUND: Influenza virus is responsible for substantial morbidity and mortality. Specific populations are at higher risk for exacerbations from influenza virus, such as patients with chronic obstructive pulmonary disease (COPD). Influenza vaccination coverage among COPD patients is low. Pharmacists can improve influenza vaccination among COPD patients by recognizing factors that influence vaccination and addressing these factors. OBJECTIVES: To (1) determine the recent influenza vaccination coverage among patients with COPD, (2) identify factors that were associated with immunization, and (3) interpret the results based upon Andersen's healthcare utilization model...
February 24, 2017: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/28532813/genetics-and-biological-property-analysis-of-korea-lineage-of-influenza-a-h9n2-viruses
#2
Min Kang, Hyung-Kwan Jang
H9N2 influenza viruses have been detected from wild and domestic avian species including chickens and ducks worldwide. Few studies have compared the biological properties of different H9N2 lineages or determined whether certain lineages might pose a higher risk to mammals, especially H9N2 viruses of Korean lineage. The objective of this study was to characterize the genetic and biological properties of 22 Korean H9N2 viruses and assess their potential risks to mammals. Their complete genomes were analyzed. Some Korean H9N2 viruses were found to carry mammalian host-specific mutations...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28532276/a-review-of-the-value-of-quadrivalent-influenza-vaccines-and-their-potential-contribution-to-influenza-control
#3
Riju Ray, Gaël Dos Santos, Philip O Buck, Carine Claeys, Gonçalo Matias, Bruce L Innis, Rafik Bekkat-Berkani
The contribution of influenza B to the seasonal influenza burden varies from year-to-year. Although two antigenically distinct influenza B virus lineages have co-circulated since 2001, trivalent influenza vaccines (TIVs) contain antigens from only one influenza B virus. B-mismatch or co-circulation of both B lineages results in increased morbidity and mortality attributable to the B lineage absent from the vaccine. Quadrivalent vaccines (QIVs) contain both influenza B lineages. We reviewed currently licensed QIVs and their value by focusing on the preventable disease burden...
May 22, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28532182/tackling-a-novel-lethal-virus-a-focus-on-h7n9-vaccine-development
#4
Irina Isakova-Sivak, Larisa Rudenko
Avian-origin H7N9 influenza viruses first detected in humans in China in 2013 continue to cause severe human infections with a mortality rate close to 40%. These viruses are acknowledged as the subtype most likely to cause the next influenza pandemic. Areas covered: Here we review published data on the development of H7N9 influenza vaccine candidates and their evaluation in preclinical and clinical trials identified on PubMed database with the term "H7N9 influenza vaccine". In addition, a search with the same term was done on ClinicalTrials...
May 22, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28530308/-influenza-vaccination-among-healthcare-workers-the-data-and-the-duty
#5
Sonia Habib, Shmuel Rishpon, Itamar Grotto, Arnon Afek
Seasonal influenza is a significant disease affecting public health due to substantial morbidity and mortality and a high economic burden. in view of its high propensity for genetic mutations, the virus can easily evade preexisting immunity acquired from prior exposure to it, thereby causing severe seasonal epidemics. Influenza vaccination has been shown to be safe and effective. In many countries, including Israel, it is recommended to all members of the population aged 6 months and older, especially those with a higher risk of developing severe complications...
January 2017: Harefuah
https://www.readbyqxmd.com/read/28528400/influenza-and-the-patient-with-end-stage-renal-disease
#6
REVIEW
Brendan T Bowman, Mitchell H Rosner
Influenza is a commonly encountered and serious pathogen. Patients with end-stage renal disease are more susceptible to serious morbidity and mortality associated with influenza infection. Proper management of patients includes: vaccination, monitoring for symptoms and isolation of potentially infected patients as well as appropriate antiviral therapies. In some cases of exposure, chemoprophylaxis is warranted. Vaccination and appropriate therapies are associated with improved outcomes.
May 20, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28526665/the-sensor-study-protocol-for-a-mixed-methods-study-of-self-management-checks-to-predict-exacerbations-of-pseudomonas-aeruginosa-in-patients-with-long-term-respiratory-conditions
#7
Claire Roberts, Thomas L Jones, Samal Gunatilake, Will Storrar, Scott Elliott, Sharon Glaysher, Ben Green, Steven Rule, Carole Fogg, Ann Dewey, Kevin A Auton, Anoop J Chauhan
BACKGROUND: There are an estimated three million people in the United Kingdom with chronic obstructive pulmonary disease (COPD), and the incidence of bronchiectasis is estimated at around 0.1% but is more common in COPD and severe asthma. Both COPD and bronchiectasis are characterized by exacerbations in which bacteria play a central role. Pseudomonas aeruginosa is isolated from sputum samples from 4% to 15% of adults with COPD and is more likely to be isolated from patients with severe disease...
May 19, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28523521/in-vitro-and-in-vivo-characterization-of-a-novel-h1n1-2009-influenza-virus-reassortant-with-an-ns-gene-from-a-highly-pathogenic-h5n1-virus-isolated-from-a-human
#8
Shengbing Liu, Liangyan Zhang, Zhidong Yao, Li Xing, Kun Liu
The triple-reassortant H1N1/2009 influenza A virus, which caused the first influenza pandemic of the 21(st) century, is generally associated with mild disease and a relatively low mortality rate comparable to that of seasonal influenza virus outbreaks. There is a growing concern about the potential for reassortment between the low-mortality H1N1/2009 and other high-mortality influenza viruses. Here, we describe and characterize a novel reassortant H1N1/2009 influenza virus, isolated from a human sample, that contained an NS gene from a highly pathogenic H5N1 virus...
May 18, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28522352/immune-plasma-for-the-treatment-of-severe-influenza-an-open-label-multicentre-phase-2-randomised-study
#9
John H Beigel, Pablo Tebas, Marie-Carmelle Elie-Turenne, Ednan Bajwa, Todd E Bell, Charles B Cairns, Shmuel Shoham, Jaime G Deville, Eric Feucht, Judith Feinberg, Thomas Luke, Kanakatte Raviprakash, Janine Danko, Dorothy O'Neil, Julia A Metcalf, Karen King, Timothy H Burgess, Evgenia Aga, H Clifford Lane, Michael D Hughes, Richard T Davey
BACKGROUND: Influenza causes substantial morbidity and mortality despite available treatments. Anecdotal reports suggest that plasma with high antibody titres to influenza might be of benefit in the treatment of severe influenza. METHODS: In this randomised, open-label, multicentre, phase 2 trial, 29 academic medical centres in the USA assessed the safety and efficacy of anti-influenza plasma with haemagglutination inhibition antibody titres of 1:80 or more to the infecting strain...
May 15, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28513330/the-pathogenesis-of-clade-2-3-4-4-h5-highly-pathogenic-avian-influenza-viruses-in-ruddy-duck-oxyura-jamaicensis-and-lesser-scaup-aythya-affinis
#10
Erica Spackman, Diann J Prosser, Mary J Pantin-Jackwood, Alicia M Berlin, Christopher B Stephens
Waterfowl are the natural hosts of avian influenza virus (AIV) and disseminate the virus worldwide through migration. Historically, surveillance and research efforts for AIV in waterfowl have focused on dabbling ducks. The role of diving ducks in AIV ecology has not been well characterized. In this study, we examined the relative susceptibility and pathogenicity of clade 2.3.4.4 H5 highly pathogenic (HP) AIV (HPAIV) in two species of diving ducks. Juvenile and adult Ruddy Duck (Oxyura jamaicensis) and juvenile Lesser Scaup (Aythya affinis) were intranasally inoculated with A/Northern Pintail/WA/40964/2014 H5N2 HPAIV...
May 17, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28511853/immunologic-evaluation-of-10-different-adjuvants-for-use-in-vaccines-for-chickens-against-highly-pathogenic-avian-influenza-virus
#11
Nazir Ahmed Lone, Erica Spackman, Darrell Kapczynski
Avian influenza viruses (AIV) are a threat to poultry production worldwide. Vaccination is utilized as a component of control programs for both high pathogenicity (HP) and low pathogenicity (LP) AIV. Over 95% of all AIV vaccine used in poultry are inactivated, adjuvanted products. To identify the best formulations for chickens, vaccines were prepared with beta-propiolactone (BPL) inactivated A/British Columbia/314514-1/2004 H7N3 LP AIV using ten commercially available or experimental adjuvants. Each vaccine formulation was evaluated for immunogenicity in chickens...
May 13, 2017: Vaccine
https://www.readbyqxmd.com/read/28508293/influenza-infection-and-heart-failure-vaccination-may-change-heart-failure-prognosis
#12
REVIEW
Nikolaos P E Kadoglou, Frank Bracke, Tim Simmers, Sotirios Tsiodras, John Parissis
The interaction of influenza infection with the pathogenesis of acute heart failure (AHF) and the worsening of chronic heart failure (CHF) is rather complex. The deleterious effects of influenza infection on AHF/CHF can be attenuated by specific immunization. Our review aimed to summarize the efficacy, effectiveness, safety, and dosage of anti-influenza vaccination in HF. In this literature review, we searched MEDLINE and EMBASE from January 1st 1966 to December 31st, 2016, for studies examining the association between AHF/CHF, influenza infections, and anti-influenza immunizations...
May 15, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28504416/characterization-and-circulation-of-seasonal-influenza-viruses-in-madrid-2010-2016
#13
Flavia Cecilia Chiarella, Zarife Daoud, Manuel Enrique Fuentes-Ferrer, José Tomás Ramos Amador, Juan José Picazo, Esther Culebras
Influenza virus infection is a major health care burden and is associated with significant morbidity and mortality. The 2009 influenza pandemic highlighted the importance of influenza surveillance. The objective of this study was to assess the epidemiology and activity of influenza A and B viruses in adults and children in the post-pandemic period with a special focus on the pediatric population. We performed a retrospective descriptive study involving adults and children with influenza-like illness at the Clinico San Carlos Hospital (Madrid, Spain) over 6 influenza seasons, between August 2010 and April 2016...
May 15, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28500507/impact-of-severe-hematological-abnormalities-in-the-outcome-of-hospitalized-patients-with-influenza-virus-infection
#14
A Lalueza, H Trujillo, J Laureiro, B Ayuso, P Hernández-Jiménez, C Castillo, M Torres, D Folgueira, O Madrid, C Díaz-Pedroche, E Arrieta, C Arévalo, C Lumbreras
Although hematological abnormalities have been described among patients with influenza virus infection, little is known about their impact on the outcome of the patients. The aim of this study was to assess the frequency and clinical impact of severe hematological abnormalities in patients with confirmed influenza virus infection. This was an observational retrospective study including all adult patients with diagnosis of influenza virus infection hospitalized from January to May 2016 in our institution. Influenza virus infection was diagnosed by means of rRT-PCR assay performed on respiratory samples...
May 13, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28499541/sequence-analysis-of-haemagglutinin-and-neuraminidase-of-h1n1-strain-from-a-patient-coinfected-with-mycobacterium-tuberculosis
#15
Ahmed N Alghamdi, Mohammad E Mahfouz, Fahd A Hamdi, Daifullah Al Aboud, Tawfiq Z Al-Laylah, Mohammed I Alotaibi, Khalid W A Al-Thomali, Ahmed S Abdel-Moneim
The 2009 H1N1 pandemic (H1N1pdm09) was associated with a considerable influenza-related morbidity and mortality. Among the complications, Mycobacterial tuberculosis was recorded as a coinfection with influenza in rare cases. The full-length sequences of the viral haemagglutinin and neuraminidase of H1N1pdm09 influenza A virus were analyzed from a recently infected patient. The patient was chronically infected with Mycobacterium tuberculosis. Molecular modelling and in-silico docking of the virus, and other selected strains with the drug oseltamivir were conducted and compared...
May 9, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/28498097/the-asplenic-patient-post-insult-immunocompetence-infection-and-vaccination
#16
Brandon Dionne, Walter Dehority, Meghan Brett, Thomas R Howdieshell
BACKGROUND: Splenic injury can occur through multiple mechanisms and may result in various degrees of residual immunocompetence. Functionally or anatomically asplenic patients are at higher risk for infection, particularly with encapsulated bacteria. Vaccination is recommended to prevent infection with these organisms; however, the recommendations are routinely updated, and vaccine selection and timing are complex. METHODS: Review of the pertinent English-language literature, including the recommendations of the U...
May 12, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28494805/relative-incidence-and-individual-level-severity-of-seasonal-influenza-a-h3n2-compared-with-2009-pandemic-h1n1
#17
Kin On Kwok, Steven Riley, Ranawaka A P M Perera, Vivian W I Wei, Peng Wu, Lan Wei, Daniel K W Chu, Ian G Barr, J S Malik Peiris, Benjamin J Cowling
BACKGROUND: Two subtypes of influenza A currently circulate in humans: seasonal H3N2 (sH3N2, emerged in 1968) and pandemic H1N1 (pH1N1, emerged in 2009). While the epidemiological characteristics of the initial wave of pH1N1 have been studied in detail, less is known about its infection dynamics during subsequent waves or its severity relative to sH3N2. Even prior to 2009, few data was available to estimate the risk of severe outcomes following infection with one circulating influenza strain relative to another...
May 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28494435/impact-of-respiratory-viruses-in-hospital-acquired-pneumonia-in-the-intensive-care-unit-a-single-center-retrospective-study
#18
Paul Loubet, Guillaume Voiriot, Nadhira Houhou-Fidouh, Mathilde Neuville, Lila Bouadma, Francois-Xavier Lescure, Diane Descamps, Jean-François Timsit, Yazdan Yazdanpanah, Benoit Visseaux
BACKGROUND: Data on the frequency and role of respiratory viruses (RVs) in hospital-acquired pneumonia (HAP) are still scarce. OBJECTIVES: We assessed the proportion of RVs and their impact on the outcome of hospital-acquired pneumonia (HAP) in the intensive care unit (ICU). STUDY DESIGN: Cases of HAP were retrospectively selected among patients who underwent screening for RVs by multiplex PCR (mPCR) in the ICU of a French tertiary care hospital from May 2014 to April 2016...
April 22, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28481673/influenza-vaccine-effectiveness-among-high-risk-groups-a-systematic-literature-review-and-meta-analysis-of-case-control-and-cohort-studies
#19
Vincenzo Restivo, Claudio Costantino, Stefania Bono, Marialuisa Maniglia, Valentina Marchese, Gianmarco Ventura, Alessandra Casuccio, Fabio Tramuto, Francesco Vitale
Vaccination represents the most effective intervention to prevent infection, hospitalization and mortality due to influenza. This meta-analysis quantifies data reporting influenza vaccine effectiveness (VE) on influenza visits and hospitalizations of case-control and cohort studies among high-risk groups. A systematic literature review including original articles published between 2007 and 2016, using a protocol registered on Prospero with No. 42017054854, and a meta-analysis were conducted. For three high-risk groups (subjects with underlying health conditions, pregnant women and health care workers) only a qualitative evaluation was carried out...
May 8, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28480279/hospital-acquired-respiratory-viral-infections-incidence-morbidity-and-mortality-in-pediatric-and-adult-patients
#20
Eric J Chow, Leonard A Mermel
BACKGROUND: Hospital-acquired respiratory viral infections can result in morbidity and mortality of hospitalized patients. This study was undertaken to better understand the magnitude of the problem of nosocomial respiratory viral infections in adult and pediatric patients. METHODS: This was a retrospective study at a tertiary care adult and pediatric teaching hospital. Study patients met a priori criteria for definite or possible nosocomial respiratory viral infection...
2017: Open Forum Infectious Diseases
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