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Han-Joon Kim, Sang-Won Jeon, Ho-Kyoung Yoon
Human influenza is a contagious respiratory illness caused by the influenza virus. The influenza vaccination is recommended annually, but several adverse effects related to allergic reactions have been reported. Panic attacks are also known to occur, but no case of a panic attack adverse effect has been reported in South Korea. We present two cases of panic disorder patients whose symptoms were aggravated by the influenza vaccination. We assumed that dysregulation of T-lymphocytes in panic disorder patients could have a role in activating various kinds of cytokines and chemokines, which then can lead to panic attack aggravation...
November 30, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
T Ilyicheva, A Durymanov, I Susloparov, N Kolosova, N Goncharova, S Svyatchenko, O Petrova, A Bondar, V Mikheev, A Ryzhikov
The influenza epidemic in 2015-2016 in Russia is characterized by a sharp increase of influenza cases (beginning from the second week of 2016) with increased fatalities. Influenza was confirmed in 20 fatal cases registered among children (0-10 years), in 5 cases among pregnant women, and in 173 cases among elderly people (60 years and older). Two hundred and ninety nine people died from influenza were patients with some chronic problems. The overwhelming majority among the deceased (more than 98%) were not vaccinated against influenza...
2016: PloS One
Seok-Joon Kwon, Dong Hee Na, Jong Hwan Kwak, Marc Douaisi, Fuming Zhang, Eun Ji Park, Jong-Hwan Park, Hana Youn, Chang-Seon Song, Ravi S Kane, Jonathan S Dordick, Kyung Bok Lee, Robert J Linhardt
Rapid change and zoonotic transmission to humans have enhanced the virulence of the influenza A virus (IAV). Neutralizing antibodies fail to provide lasting protection from seasonal epidemics. Furthermore, the effectiveness of anti-influenza neuraminidase inhibitors has declined because of drug resistance. Drugs that can block viral attachment and cell entry independent of antigenic evolution or drug resistance might address these problems. We show that multivalent 6'-sialyllactose-polyamidoamine (6SL-PAMAM) conjugates, when designed to have well-defined ligand valencies and spacings, can effectively inhibit IAV infection...
October 24, 2016: Nature Nanotechnology
Ye Rin Lee, Kanghee Moon, Young Ae Kim, So Youn Park, Chang Mo Oh, Kyung Suk Lee, In Hwan Oh
Globally, the incidence of communicable diseases has decreased compared to non-communicable diseases. However, chronic communicable diseases such as HIV/AIDS and tuberculosis persist worldwide. Furthermore, emerging new infections such as H1N1 influenza pose a new threat to public health. However, most studies have focused on non-communicable diseases because of their increasing incidence, with fewer studies investigating communicable diseases. Therefore, we estimated the burden of communicable diseases in Korea using national representative 2012 data...
November 2016: Journal of Korean Medical Science
Maria T Arévalo, Junwei Li, Diana Diaz-Arévalo, Yanping Chen, Ashley Navarro, Lihong Wu, Yongyong Yan, Mingtao Zeng
Preventative influenza vaccines must be reformulated annually because of antigen shift and drift of circulating influenza viral strains. However, seasonal vaccines do not always match the circulating strains, and there is the ever-present threat that avian influenza viruses may adapt to humans. Hence, a universal influenza vaccine is needed to provide protective immunity against a broad range of influenza viruses. We designed an influenza antigen consisting of 3 tandem M2e repeats plus HA2, in combination with a detoxified anthrax edema toxin delivery system (EFn plus PA) to enhance immune responses...
October 24, 2016: Immunology
Soyoung Lee, Han Wool Kim, Kyung-Hyo Kim
BACKGROUND: Intravenous immunoglobulin G (IVIG) replacement therapy is used to prevent invasive infections in patients with primary antibody deficiency (PAD). However, few studies have functionally evaluated specific antibodies against encapsulated bacteria that cause invasive infection in patients with PAD. In this study, functional antibodies against Haemophilus influenzae type b (Hib), Streptococcus pneumoniae (pneumococci), and Neisseria meningitidis (meningococci) in IVIG therapy were evaluated...
October 23, 2016: Transfusion
R F Godino, A I Fernández
Mx1 (Myxovirus (Influenza virus) resistance 1, interferon-inducible protein p78) gene has been implicated in the resistance to a wide range of RNA viruses including influenza A in several species such as Sus scrofa. In the present study a 28-bp deletion in exon 14 of the Mx1 gene has been identified in Iberian domestic pigs but not in other domestic breeds neither in wild boars. The mutation produces a frameshift giving a protein with 6 amino acid substitutions and the extension of the C-terminal region with additional 20 amino acids with respect to the wild type MX1 protein...
September 2016: Postdoc Journal: a Journal of Postdoctoral Research and Postdoctoral Affairs
Christina Kratsch, Thorsten R Klingen, Linda Mümken, Lars Steinbrück, Alice C McHardy
Human influenza viruses are rapidly evolving RNA viruses that cause short-term respiratory infections with substantial morbidity and mortality in annual epidemics. Uncovering the general principles of viral coevolution with human hosts is important for pathogen surveillance and vaccine design. Protein regions are an appropriate model for the interactions between two macromolecules, but the currently used epitope definition for the major antigen of influenza viruses, namely hemagglutinin, is very broad. Here, we combined genetic, evolutionary, antigenic, and structural information to determine the most relevant regions of the hemagglutinin of human influenza A/H3N2 viruses for interaction with human immunoglobulins...
January 2016: Virus Evolution
Heli Siikamäki, Pia Kivelä, Mikael Fotopoulos, Anu Kantele
BACKGROUND: Although infections represent the most common health problem of travellers abroad, data on morbidity and incidences of various infections are scarce. METHOD: Data on infections of Finnish travellers during 2010 to 2012 were retrieved from the database of SOS International, an assistance organization covering 95% of Finns requiring aid abroad. The study included 30,086 cases. For incidence calculation, the data were linked to the numbers of Finns visiting these regions during the same period as recorded by the Official Statistics of Finland...
October 20, 2016: Travel Medicine and Infectious Disease
Larisa Kordyukova
Two enveloped virus families, Orthomyxoviridae and Paramyxoviridae, comprise a large number of dangerous pathogens that enter the host cell via fusion of their envelope with a target cell membrane at acidic or neutral pH. The Class I prototypic glycoproteins responsible for this reaction are the Influenza virus haemagglutinin (HA) protein or paramyxovirus fusion (F) protein. X-ray crystallography and cryoelectron microscopy data are available for the HA and F ectodomains in pre- and post-fusion conformations, revealing similar spiky architectures, albeit with clear differences in the details...
October 20, 2016: Virus Research
Samriddha Ray, Norika Chiba, Changfu Yao, Xiangrong Guan, Alicia M McConnell, Brian Brockway, Loretta Que, Jonathan L McQualter, Barry R Stripp
Recent studies have implicated keratin 5 (KRT5)(+) cells in repopulation of damaged lung tissue following severe H1N1 influenza virus infection. However, the origins of the cells repopulating the injured alveolar region remain controversial. We sought to determine the cellular dynamics of lung repair following influenza infection and define whether nascent KRT5(+) cells repopulating alveolar epithelium were derived from pre-existing alveolar or airway progenitor cells. We found that the wound-healing response begins with proliferation of SOX2(+) SCGB1A1(-) KRT5(-) progenitor cells in airways...
October 20, 2016: Stem Cell Reports
M A Tazón-Varela, H Alonso-Valle, P Muñoz-Cacho, J Gallo-Terán, X Piris-García, L A Pérez-Mier
INTRODUCTION: Knowing the most common microorganisms in our environment can help us to make proper empirical treatment decisions. The aim is to identify those microorganisms causing community-acquired pneumonia. PATIENTS AND METHODS: An observational, descriptive and prospective study was conducted, including patients over 14 years with a clinical and radiographic diagnosis of community-acquired pneumonia during a 383 consecutive day period. A record was made of sociodemographic variables, personal history, prognostic severity scales, progress, and pathogenic agents...
October 20, 2016: Semergen
María Fernández-Prada, María Rodríguez-Martínez, Rebeca García-García, María Dolores García-Corte, Carmen Martínez-Ortega
INTRODUCTION: Children undergoing chemotherapy for cancer have special vaccination needs after completion of the treatment. The aim of this study was to evaluate the adaptation of post-chemotherapy vaccination schedules. METHOD: An observational study was performed on a retrospective cohort that included all children aged from 0 to 14 years, who completed chemotherapy in a tertiary hospital between 2009 and 2015. Inclusion and exclusion criteria were applied. Immunisation was administered in accordance with the guidelines of the Vaccine Advisory Committee of the Spanish Association of Paediatrics...
October 20, 2016: Enfermedades Infecciosas y Microbiología Clínica
Mariam Dvalishvili, Darejan Mesxishvili, Maia Butsashvili, George Kamkamidze, Deborah McFarland, Robert A Bednarczyk
OBJECTIVE: To document knowledge, attitudes, and practices of Georgian obstetrician-gynecologists concerning influenza infection and vaccination during pregnancy. METHODS: We conducted a cross-sectional study of obstetrician-gynecologists in 8 cities in the country of Georgian, from June to July, 2015, using an anonymous, self-administered, written survey. Collected data included demographics; knowledge, attitudes, and practices related to influenza vaccination during pregnancy; perceptions of influenza infection in pregnancy; perceived barriers to influenza vaccination during pregnancy; and willingness to receive education about influenza infection and vaccination during pregnancy...
October 20, 2016: Vaccine
James Newcombe, Thomas Karagiannis, Robyn Hardiman
No abstract text is available yet for this article.
February 2016: Pathology
Renee W Y Chan, Louisa L Y Chan, Chris K P Mok, Kin P Tao, Michael C W Chan, J S Malik Peiris, John M Nicholls
No abstract text is available yet for this article.
February 2016: Pathology
Rachel U Lee, Jennifer M Radin
An increase in narcolepsy incidence was noted after the novel pandemic influenza of 2009, leading to further interest in risk factors associated with this disease. However, there is limited data on the epidemiology of narcolepsy, particularly in the adult population. Therefore, we sought to examine narcolepsy incidence rates in the United States and describe associated characteristics. We performed a population based epidemiologic study of active duty military personnel. All outpatient clinics in the continental United States providing care for active duty military between 2004 through 2013 were included utilizing existing databases...
November 15, 2016: Journal of the Neurological Sciences
Vijay Christopher Kannan, Nicole Hodgson, Andrew Lau, Kate Goodin, Andrea Freyer Dugas, Frank LoVecchio
STUDY OBJECTIVE: We seek to use a novel layered-surveillance approach to localize influenza clusters within an acute care population. The first layer of this system is a syndromic surveillance screen to guide rapid polymerase chain reaction testing. The second layer is geolocalization and cluster analysis of these patients. We posit that any identified clusters could represent at-risk populations who could serve as high-yield targets for preventive medical interventions. METHODS: This was a prospective observational surveillance study...
November 2016: Annals of Emergency Medicine
Dana J Hawkinson, Michael G Ison
Although advances in immunosuppression and antimicrobial prophylaxis have led to improved patient and graft survival, respiratory viruses continue to be a common cause of morbidity and mortality in immunocompromised populations. We describe the clinical manifestations, diagnosis and treatment options for influenza, respiratory syncytial virus and adenovirus infection in the kidney transplant population.
September 2016: Seminars in Nephrology
Hannah M Creager, Hui Zeng, Joanna A Pulit-Penaloza, Taronna R Maines, Terrence M Tumpey, Jessica A Belser
Infection of adherent cell monolayers using a liquid inoculum represents an established method to reliably and quantitatively study virus infection, but poorly recapitulates the exposure and infection of cells in the respiratory tract that occurs during infection with aerosolized pathogens. To better simulate natural infection in vitro, we adapted a system that generates viral aerosols similar to those exhaled by infected humans to the inoculation of epithelial cell monolayers. Procedures for cellular infection and calculation of exposure dose were developed and tested using viruses characterized by distinct transmission and pathogenicity phenotypes: an HPAI H5N1, an LPAI H7N9, and a seasonal H3N2 virus...
October 20, 2016: Virology
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