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Influenza mortality

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https://www.readbyqxmd.com/read/28231239/surveillance-for-health-care-access-and-health-services-use-adults-aged-18-64-years-behavioral-risk-factor-surveillance-system-united-states-2014
#1
Catherine A Okoro, Guixiang Zhao, Jared B Fox, Paul I Eke, Kurt J Greenlund, Machell Town
PROBLEM/CONDITION: As a result of the 2010 Patient Protection and Affordable Care Act, millions of U.S. adults attained health insurance coverage. However, millions of adults remain uninsured or underinsured. Compared with adults without barriers to health care, adults who lack health insurance coverage, have coverage gaps, or skip or delay care because of limited personal finances might face increased risk for poor physical and mental health and premature mortality. PERIOD COVERED: 2014...
February 24, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28229066/a-case-of-influenza-a-h3n2-complicated-by-community-acquired-pneumonia-and-death-in-a-young-healthy-adult-during-the-2013-2014-season
#2
Lauren F Collins, Benjamin D Anderson, Gregory C Gray
With multiple available vaccines and antivirals, seasonal influenza A is typically a self-limited acutely debilitating illness in young healthy adults. Here, we illustrate unexpected morbidity and mortality in a relatively young and healthy patient seen at a large tertiary care academic medical center for seasonal influenza A (H3N2) complicated by community-acquired pneumonia, hypoxic respiratory failure, septic shock, and death.
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28218156/risk-factors-for-death-during-a-resurgence-of-influenza-a-h1n1-pdm09-in-punjab-state-in-2013
#3
Tripurari Kumar, Deepak Bhatia, Pinnaka Venkata Maha Lakshmi, Kayla F Laserson, Jai Prakash Narain, Rajesh Kumar
BACKGROUND: In 2013, high mortality from influenza-A (H1N1) pdm09 (pH1N1) was observed in Punjab, India. OBJECTIVES: To describe cases and deaths of 2013 pH1N1 positives, to evaluate the high case fatality ratio and risk factors for pH1N1-associated mortality among the hospitalized cases in Punjab for 2013. METHODS: A case-control study was conducted and compared those who died from confirmed pH1N1 with those who survived in the hospital between January 1, 2013, and April 30, 2013...
January 2017: Indian Journal of Public Health
https://www.readbyqxmd.com/read/28215397/clinical-mimics-an-emergency-medicine-focused-review-of%C3%A2-influenza-mimics
#4
Erica Simon, Brit Long, Alex Koyfman
BACKGROUND: Influenza viruses are a significant cause of morbidity and mortality in the United States. Given the wide range of symptoms, emergency physicians must maintain a broad differential diagnosis in the evaluation and treatment of patients presenting with influenza-like illnesses. OBJECTIVE: This review addresses objective and subjective symptoms commonly associated with influenza and discusses important mimics of influenza viruses, while offering a practical approach to their clinical evaluation and treatment...
February 15, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28214181/-adult-immunisation-general-points-hot-topics-and-perspectives
#5
P Loubet, O Launay
Vaccination in immunocompetent adult mainly concerns booster vaccination against diphtheria, tetanus, polio and pertussis. Some chronic diseases may also require the achievement of pneumococcal and influenza vaccines. In addition, from the age of 65, annual influenza vaccination as well as one dose of a live attenuated shingles vaccine between 64 and 75 years are recommended. Immunocompromised adults, due to the increased risk of serious infections responsible of significant morbidity and mortality, are particularly concerned by vaccination...
February 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28213653/perceived-risk-of-avian-influenza-and-urbanization-in-northern-vietnam
#6
Melissa L Finucane, Nghiem Tuyen, Sumeet Saksena, James H Spencer, Jefferson M Fox, Nguyen Lam, Trinh Dinh Thau, Tran Duc Vien, Nancy Davis Lewis
Highly pathogenic avian influenza (HPAI) is an important public health concern because of potential for widespread morbidity and mortality in humans and poultry and associated devastating economic losses. We examined how perceptions of the risk of HPAI in poultry vary across communes/wards in the north of Vietnam at different levels of urbanization (rural, peri-urban, urban). Analyses of questionnaire responses from 1081 poultry raisers suggested that the perceived risk of HPAI in poultry was highest in peri-urban and rural settings...
February 17, 2017: EcoHealth
https://www.readbyqxmd.com/read/28212428/a-novel-hemagglutinin-protein-produced-in-bacteria-protects-chickens-against-h5n1-highly-pathogenic-avian-influenza-viruses-by-inducing-h5-subtype-specific-neutralizing-antibodies
#7
Violetta Sączyńska, Agnieszka Romanik, Katarzyna Florys, Violetta Cecuda-Adamczewska, Małgorzata Kęsik-Brodacka, Krzysztof Śmietanka, Monika Olszewska, Katarzyna Domańska-Blicharz, Zenon Minta, Bogusław Szewczyk, Grażyna Płucienniczak, Andrzej Płucienniczak
The highly pathogenic (HP) H5N1 avian influenza viruses (AIVs) cause a mortality rate of up to 100% in infected chickens and pose a permanent pandemic threat. Attempts to obtain effective vaccines against H5N1 HPAIVs have focused on hemagglutinin (HA), an immunodominant viral antigen capable of eliciting neutralizing antibodies. The vast majority of vaccine projects have been performed using eukaryotic expression systems. In contrast, we used a bacterial expression system to produce vaccine HA protein (bacterial HA) according to our own design...
2017: PloS One
https://www.readbyqxmd.com/read/28202040/subcellular-localization-and-interactions-of-infectious-salmon-anemia-virus-isav-m1-and-nep-as-well-as-host-hsc70
#8
Wenting Zhang, Chengzhi Cai, Li Lin, Yizhi Jane Tao, Meilin Jin
BACKGROUND: Infectious salmon anemia virus (ISAV) is an important fish pathogen that causes high mortality in farmed Atlantic salmon. The ISAV genome consists of eight single-stranded, negative-sense RNA segments. The six largest segments contain one open reading frame (ORF) each, and encode three polymerase proteins, nucleoprotein, fusion protein, and hemagglutinin esterase protein. The two smallest segments contain more than one ORF each. The segment 7 encodes non-structural protein 1 (NS1) and nuclear export protein (NEP), while segment 8 encodes matrix protein 1 and 2 (M1 and M2)...
February 15, 2017: Virology Journal
https://www.readbyqxmd.com/read/28193481/epigenetic-and-transcriptomic-regulation-of-lung-repair-during-recovery-from-influenza-infection
#9
Derek A Pociask, Keven M Robinson, Kong Chen, Kevin J McHugh, Michelle E Clay, Grace T Huang, Panayiotis V Benos, Yvonne M W Janssen-Heininger, Jay K Kolls, Vikas Anathy, John F Alcorn
Seasonal and pandemic influenza is a cause of morbidity and mortality worldwide. Most people infected with influenza virus display mild-to-moderate disease phenotypes and recover within a few weeks. Influenza is known to cause persistent alveolitis in animal models; however, little is known about the molecular pathways involved in this phenotype. We challenged C57BL/6 mice with influenza A/PR/8/34 and examined lung pathologic processes and inflammation, as well as transcriptomic and epigenetic changes at 21 to 60 days after infection...
February 9, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28191464/construction-of-multilevel-structure-for-avian-influenza-virus-system-based-on-granular-computing
#10
Yang Li, Qi-Hao Liang, Meng-Meng Sun, Xu-Qing Tang, Ping Zhu
Exploring the genetic structure of influenza viruses attracts the attention in the field of molecular ecology and medical genetics, whose epidemics cause morbidity and mortality worldwide. The rapid variations in RNA strand and changes of protein structure of the virus result in low-accuracy subtyping identification and make it difficult to develop effective drugs and vaccine. This paper constructs the evolutionary structure of avian influenza virus system considering both hemagglutinin and neuraminidase protein fragments...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28188897/unmasking-survival-biases-in-observational-treatment-studies-of-influenza-patients
#11
Martin Wolkewitz, Martin Schumacher
BACKGROUND: Several observational studies reported that Oseltamivir (Tamiflu) reduced mortality in infected and hospitalized patients. Due to the restriction of observation to hospital stay and time-dependent treatment assignment, such findings were prone to common types of survival bias (length, time-dependent and competing risk bias). METHODS: British hospital data from the FLU-CIN study group were used which included 1391 patients with confirmed pandemic influenza A/H1N1 2009 infection...
February 7, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28187952/immunogenicity-and-safety-of-an-as03-adjuvanted-h7n1-vaccine-in-healthy-adults-a-phase-i-ii-observer-blind-randomized-controlled-trial
#12
Anuradha Madan, Murdo Ferguson, Eric Sheldon, Nathan Segall, Laurence Chu, Azhar Toma, Paul Rheault, Damien Friel, Jyoti Soni, Ping Li, Bruce L Innis, Anne Schuind
BACKGROUND: H7 influenza strains have pandemic potential. AS03-adjuvanted H7N1 A/mallard/Netherlands/12/2000 split-virion vaccine formulations were evaluated as model H7-subtype vaccine and tested after H7N9 emerged in China, and caused severe human disease with high mortality. METHODS: In this phase I/II, observer-blind, randomized trial in US and Canada, 420 healthy adults (21-64years) were randomized to receive 1 of 4 H7N1 vaccine formulations (3.75 or 7.5μg hemagglutinin adjuvanted with either AS03A or AS03B), 15μg unadjuvanted H7N1 hemagglutinin, or saline placebo, given as 2-dose series...
February 7, 2017: Vaccine
https://www.readbyqxmd.com/read/28185742/do-we-need-a-vaccine-against-moraxella-catarrhalis-in-chronic-lung-disease-what-are-the-options-and-opportunities
#13
REVIEW
Antonia C Perez, Timothy F Murphy
Moraxella catarrhalis is the second most common cause of exacerbations in adults with COPD, resulting in enormous morbidity and mortality in this clinical setting. Vaccine development for M. catarrhalis has lagged behind the other two important causes of exacerbations in COPD, nontypeable Haemophilus influenzae and Streptococcus pneumoniae. While no licensed vaccine is currently available for M. catarrhalis, several promising candidate vaccine antigens have been identified and characterized and are close to entering clinical trials...
February 6, 2017: Vaccine
https://www.readbyqxmd.com/read/28183847/human-rhinovirus-detection-in-the-lower-respiratory-tract-of-hematopoietic-cell-transplant-recipients-association-with-mortality
#14
Sachiko Seo, Alpana Waghmare, Emily M Scott, Hu Xie, Jane M Kuypers, Robert C Hackman, Angela P Campbell, Su-Mi Choi, Wendy M Leisenring, Keith R Jerome, Janet A Englund, Michael Boeckh
Human rhinoviruses are the most common respiratory viruses detected in patients after hematopoietic cell transplantation. Although rhinovirus appears to occasionally cause severe lower respiratory tract infection in immunocompromised patients, the clinical significance of rhinovirus detection in the lower respiratory tract remains unknown. We evaluated 697 recipients transplanted between 1993 and 2015 with rhinovirus in respiratory samples. As comparative cohorts, 273 recipients with lower respiratory tract infection caused by respiratory syncytial virus (N=117), parainfluenza virus (N=120), or influenza (N=36) were analyzed...
February 9, 2017: Haematologica
https://www.readbyqxmd.com/read/28182741/etiology-of-severe-pneumonia-in-ecuadorian-children
#15
Sivani Jonnalagadda, Oswaldo Rodríguez, Bertha Estrella, Lora L Sabin, Fernando Sempértegui, Davidson H Hamer
BACKGROUND: In Latin America, community-acquired pneumonia remains a major cause of morbidity and mortality among children. Few studies have examined the etiology of pneumonia in Ecuador. METHODS: This observational study was part of a randomized, double blind, placebo-controlled clinical trial conducted among children aged 2-59 months with severe pneumonia in Quito, Ecuador. Nasopharyngeal and blood samples were tested for bacterial and viral etiology by polymerase chain reaction...
2017: PloS One
https://www.readbyqxmd.com/read/28179523/progesterone-based-contraceptives-reduce-adaptive-immune-responses-and-protection-against-sequential-influenza-a-virus-infections
#16
Olivia J Hall, Raffael Nachbagauer, Meghan S Vermillion, Ashley L Fink, Vanessa Phuong, Florian Krammer, Sabra L Klein
In addition to their intended use, progesterone (P4)-based contraceptives promote anti-inflammatory immune responses, yet their effects on the outcome of infectious diseases, including influenza A virus (IAV), are rarely evaluated. To evaluate their impact on immune responses to sequential IAV infections, adult female mice were treated with placebo or one of two progestins, P4 or levonorgestrel (LNG), and infected with mouse adapted (ma) H1N1 virus. Treatment with P4 or LNG reduced morbidity, but had no effect on pulmonary virus titers, during primary H1N1 infection as compared to placebo treatment...
February 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28178716/invasive-haemophilus-influenzae-infection-in-patients-with-cancer
#17
Vivek Singh, Sowmya Nanjappa, Smitha Pabbathi, John N Greene
A major cause of morbidity and mortality in patients with cancer is infection. Since the introduction of the Haemophilus influenzae type b (Hib) vaccine in the United States in the 1990s, invasive H influenzae infection has become less common. We report on 5 patients with cancer and invasive H influenzae infection. A literature review was also performed of the dominant Haemophilus subtype and the clinical features associated with the infection and concomitant cancer. Of the 17 cases found in the literature, had hematological malignancies and 1 case each had thymoma, schwannoma, teratoma, and pancreatic, Merkel cell, pharyngeal, laryngeal, and rectal carcinomas...
January 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28178046/acute-respiratory-distress-syndrome-in-pregnant-women
#18
Barret Rush, Pawel Martinka, Brett Kilb, Robert C McDermid, John H Boyd, Leo Anthony Celi
OBJECTIVE: To estimate the rate of acute respiratory distress syndrome (ARDS) in pregnant patients as well as to investigate clinical conditions associated with mortality. METHODS: We used the Nationwide Inpatient Sample from 2006 to 2012 to identify a cohort of pregnant patients who underwent mechanical ventilation for ARDS. A multivariate model predicting in-hospital mortality was created. RESULTS: A total of 55,208,382 hospitalizations from the 2006-2012 Nationwide Inpatient Samples were analyzed...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28170416/cost-effectiveness-of-maternal-influenza-immunization-in-bamako-mali-a-decision-analysis
#19
Evan W Orenstein, Lauren A V Orenstein, Kounandji Diarra, Mahamane Djiteye, Diakaridia Sidibé, Fadima C Haidara, Moussa F Doumbia, Fatoumata Diallo, Flanon Coulibaly, Adama M Keita, Uma Onwuchekwa, Ibrahima Teguete, Milagritos D Tapia, Samba O Sow, Myron M Levine, Richard Rheingans
BACKGROUND: Maternal influenza immunization has gained traction as a strategy to diminish maternal and neonatal mortality. However, efforts to vaccinate pregnant women against influenza in developing countries will require substantial investment. We present cost-effectiveness estimates of maternal influenza immunization based on clinical trial data from Bamako, Mali. METHODS: We parameterized a decision-tree model using prospectively collected trial data on influenza incidence, vaccine efficacy, and direct and indirect influenza-related healthcare expenditures...
2017: PloS One
https://www.readbyqxmd.com/read/28170400/acute-bacterial-meningitis-in-iran-systematic-review-and-meta-analysis
#20
Hamidreza Houri, Ali Pormohammad, Seyed Mohammad Riahi, Mohammad Javad Nasiri, Fatemeh Fallah, Hossein Dabiri, Ramin Pouriran
INTRODUCTION: Bacterial meningitis persists in being a substantial cause of high mortality and severe neurological morbidity, despite the advances in antimicrobial therapy. Accurate data has not been available regarding the epidemiology of bacterial meningitis particularly in developing countries, yet. Indeed, the present systematic review provides a comprehensive data analysis on the prevalence and epidemiology of bacterial meningitis in Iran. METHODS: We systematically reviewed articles from 1994 to 2015...
2017: PloS One
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