Results 11 to 20 of about 18,035 (133)

Illness Severity in Hospitalized Influenza Patients by Virus Type and Subtype, Spain, 2010–2017

Emerging Infectious Diseases, 2020
We conducted a retrospective cohort study to assess the effect of influenza virus type and subtype on disease severity among hospitalized influenza patients in Spain.
Concepción Delgado-Sanz, Clara Mazagatos-Ateca, Jesús Oliva, Alin Gherasim, Amparo Larrauri   +4 more
doaj   +1 more source

Predominance of a Drifted Influenza A (H3N2) Clade and its Association with Age-specific Influenza Vaccine Effectiveness Variations, Influenza Season 2018–2019

Vaccines, 2020
Background: Influenza A (H3N2) clade 3C.3a was the predominant influenza virus in Israel throughout the 2018-2019 season, constituting a drift from the influenza A (H3N2) vaccine.
Aharona Glatman-Freedman, Rakefet Pando, Hanna Sefty, Itay Omer, Alina Rosenberg, Yaron Drori, Ital Nemet, Ella Mendelson, Lital Keinan-Boker, Michal Mandelboim, for the Israeli Influenza Surveillance Network (IISN)   +10 more
doaj   +1 more source

Higher titers of some H5N1 and recent human H1N1 and H3N2 influenza viruses in Mv1 Lu vs. MDCK cells

Virology Journal, 2011
Background The infectivity of influenza A viruses can differ among the various primary cells and continuous cell lines used for such measurements. Over many years, we observed that all things equal, the cytopathic effects caused by influenza A subtype ...
Daniels Deirdre E, Morrissey Jane M, O'Dowd Maureen K, Wahlgren Brett T, Wyatt Diane E, Hamilton Sara B, Lednicky John A   +6 more
doaj   +1 more source

Moderate Vaccine Effectiveness against Severe Acute Respiratory Infection Caused by A(H1N1)pdm09 Influenza Virus and No Effectiveness against A(H3N2) Influenza Virus in the 2018/2019 Season in Italy

Vaccines, 2020
Every season, circulating influenza viruses change; therefore, vaccines must be reformulated each year. We aimed to estimate vaccine effectiveness (VE) against severe influenza infection for the 2018/19 season in Italy.
Caterina Rizzo, Francesco Gesualdo, Daniela Loconsole, Elisabetta Pandolfi, Antonino Bella, Andrea Orsi, Giulia Guarona, Donatella Panatto, Giancarlo Icardi, Christian Napoli, Giovanni Battista Orsi, Ilaria Manini, Emanuele Montomoli, Ilaria Campagna, Luisa Russo, Valeria Alfonsi, Simona Puzelli, Antonino Reale, Umberto Raucci, Livia Piccioni, Carlo Concato, Marta Luisa Ciofi Degli Atti, Alberto Villani, Maria Chironna, Alberto Eugenio Tozzi   +24 more
doaj   +1 more source

Outbreak of Influenza A (H3N2) Variant Virus Infection among Attendees of an Agricultural Fair, Pennsylvania, USA, 2011

Emerging Infectious Diseases, 2012
During August 2011, influenza A (H3N2) variant [A(H3N2)v] virus infection developed in a child who attended an agricultural fair in Pennsylvania, USA; the virus resulted from reassortment of a swine influenza virus with influenza A(H1N1)pdm09.
Karen K. Wong, Adena Greenbaum, Maria E. Moll, James Lando, Erin L. Moore, Rahul Ganatra, Matthew Biggerstaff, Eugene Lam, Erica E. Smith, Aaron D. Storms, Jeffrey R. Miller, Virginia Dato, Kumar Nalluswami, Atmaram Nambiar, Sharon A. Silvestri, James R. Lute, Stephen Ostroff, Kathy Hancock, Alicia Branch, Susan C. Trock, Alexander Klimov, Bo Shu, Lynnette Brammer, Scott Epperson, Lyn Finelli, Michael A. Jhung   +25 more
doaj   +1 more source

Distribution of influenza virus types by age using case-based global surveillance data from twenty-nine countries, 1999-2014

BMC Infectious Diseases, 2018
Background Influenza disease burden varies by age and this has important public health implications. We compared the proportional distribution of different influenza virus types within age strata using surveillance data from twenty-nine countries during ...
Saverio Caini, Peter Spreeuwenberg, Gabriela F. Kusznierz, Juan Manuel Rudi, Rhonda Owen, Kate Pennington, Sonam Wangchuk, Sonam Gyeltshen, Walquiria Aparecida Ferreira de Almeida, Cláudio Maierovitch Pessanha Henriques, Richard Njouom, Marie-Astrid Vernet, Rodrigo A. Fasce, Winston Andrade, Hongjie Yu, Luzhao Feng, Juan Yang, Zhibin Peng, Jenny Lara, Alfredo Bruno, Doménica de Mora, Celina de Lozano, Maria Zambon, Richard Pebody, Leticia Castillo, Alexey W. Clara, Maria Luisa Matute, Herman Kosasih, Nurhayati, Simona Puzelli, Caterina Rizzo, Herve A. Kadjo, Coulibaly Daouda, Lyazzat Kiyanbekova, Akerke Ospanova, Joshua A. Mott, Gideon O. Emukule, Jean-Michel Heraud, Norosoa Harline Razanajatovo, Amal Barakat, Fatima el Falaki, Sue Q. Huang, Liza Lopez, Angel Balmaseda, Brechla Moreno, Ana Paula Rodrigues, Raquel Guiomar, Li Wei Ang, Vernon Jian Ming Lee, Marietjie Venter, Cheryl Cohen, Selim Badur, Meral A. Ciblak, Alla Mironenko, Olha Holubka, Joseph Bresee, Lynnette Brammer, Phuong Vu Mai Hoang, Mai Thi Quynh Le, Douglas Fleming, Clotilde El-Guerche Séblain, François Schellevis, John Paget, Global Influenza B Study group   +63 more
doaj   +1 more source

Swine-to-Human Transmission of Influenza A(H3N2) Virus at Agricultural Fairs, Ohio, USA, 2012

Emerging Infectious Diseases, 2014
Agricultural fairs provide an opportunity for bidirectional transmission of influenza A viruses. We sought to determine influenza A virus activity among swine at fairs in the United States.
Andrew S. Bowman, Sarah W. Nelson, Shannon L. Page, Jacqueline M. Nolting, Mary L. Killian, Srinand Sreevatsan, Richard D. Slemons   +6 more
doaj   +1 more source

VIRUS-SPECIFIC HUMORAL IMMUNE RESPONSE ISOTYPIC STRUCTURE IN ADULT PATIENTS HOSPITALIZED WITH INFLUENZA A

Инфекция и иммунитет, 2016
The aim of this investigation was a comparative analysis of isotypic structure of specific antiviral systemic humoral immune response in hospitalized patients with influenza caused by virus A(H3N2) or A(H1N1), including the A(H1N1)pdm09. Paired acute and
V. Z. Krivitskaya, A. A. Vasilieva, E. M. Voytsekhovskaya, E. R. Petrova, M. M. Pisareva, Zh. V. Buzitskaya, E. A. Elpaeva, A. A. Go, L. V. Voloshchuk, N. I. Lvov, T. D. Smirnova, A. A. Sominina   +11 more
doaj   +1 more source

Vaccination against human influenza A/H3N2 virus prevents the induction of heterosubtypic immunity against lethal infection with avian influenza A/H5N1 virus. [PDF]

PLoS ONE, 2009
Annual vaccination against seasonal influenza viruses is recommended for certain individuals that have a high risk for complications resulting from infection with these viruses.
Rogier Bodewes, Joost H C M Kreijtz, Chantal Baas, Martina M Geelhoed-Mieras, Gerrie de Mutsert, Geert van Amerongen, Judith M A van den Brand, Ron A M Fouchier, Albert D M E Osterhaus, Guus F Rimmelzwaan   +9 more
doaj   +1 more source

2019–2020 herd immunity to seasonal influenza viruses prior to epidemic season and rate of severe disease cases

Инфекция и иммунитет, 2021
The aim was to analyze heard immunity against influenza viruses as well as severe course of influenza infection prior to the 2019–2020 epidemic season. Methods.
T. N. Ilyicheva, N. P. Kolosova, A. G. Durymanov, P. Yu. Torzhkova, S. V. Svyatchenko, Y. A. Bulanovich, E. V. Ivanova, K. I. Ivanova, A. B. Ryzhikov   +8 more
doaj   +1 more source