نتایج جستجو برای: آنفلونزای h1n1 نوپدید

تعداد نتایج: 12080  

Journal: :Pediatrics 2011
Paula M Frew Brooke Hixson Carlos del Rio Alejandra Esteves-Jaramillo Saad B Omer

OBJECTIVE We sought to understand pandemic 2009 influenza A (H1N1) vaccine acceptance in a minority community including correlates of vaccine hesitancy and refusal. We identified intervention points to increase H1N1 vaccine coverage. PATIENTS AND METHODS Minority parents and caregivers of children ≤ 18 years participated in a cross-sectional survey. Statistical analyses included bivariate cor...

2012
German Fajardo-Dolci Juan Pablo Gutierrez Heberto Arboleya-Casanova Sebastian Garcia-Saiso

Background. During the 2009 spring epidemic outbreak in Mexico, an important research and policy question faced was related to the differences in clinical profile and population characteristics of those affected by the new H1N1 virus compared with the seasonal virus. Methods and Findings. Data from clinical files from all influenza A deaths in Mexico between April 10 and July 13, 2009 were anal...

Journal: :Nonlinear Dynamics 2022

Two influenza A subtypes (H1N1 and H3N2) co-circulate pose a serious disease burden globally. It is unclear about the extent of cross-protection between these two as well impact on dynamics. Based an evolution-driven mathematical transmission model, interaction H1N1 H3N2 was explored based monthly incidence data in USA from years 2012 to 2019. The results showed that significant exists. Besides...

2011
Jesse D. Bloom Jagannath S. Nayak David Baltimore

The His274→Tyr (H274Y) oseltamivir (Tamiflu) resistance mutation causes a substantial decrease in the total levels of surface-expressed neuraminidase protein and activity in early isolates of human seasonal H1N1 influenza, and in the swine-origin pandemic H1N1. In seasonal H1N1, H274Y only became widespread after the occurrence of secondary mutations that counteracted this decrease. H274Y is cu...

Journal: :The Journal of infectious diseases 2010
Karen L Laurie Louise A Carolan Deborah Middleton Sue Lowther Anne Kelso Ian G Barr

BACKGROUND An age bias toward children and young adults has been reported for infection and hospitalizations with pandemic H1N1 influenza (A[H1N1]pdm) in the 2009 and 2010 influenza seasons in the Southern and Northern Hemispheres. Serological analysis of prepandemic samples has shown a higher incidence of cross-reactive antibodies to A(H1N1)pdm virus in older populations; conserved T cell epit...

2011
Ahmadreza Moradi Afsaneh Sigaroodi Leila Poosh-Ashkan Seyed Alireza Nadji Payam Tabarsi Seyed Davood Mansouri Mohammadreza Masjedi Ali Akbar Velayati

BACKGROUND Presentation of pandemic H1N1 influenza (H1N1) is widely evolving as it continues to involve different geographic locations and populations. This study was conducted to improve the precision of clinical diagnosis of H1N1 (2009) influenza infection in an outpatient setting. MATERIALS AND METHODS A prospective cross-sectional study was conducted among adult patients (age >15 years) w...

2011
Bjorn J Brandsaeter Magnus Pillgram Dag Berild Harald Kjekshus Anne-Marte B Kran Bente M Bergersen

BACKGROUND The main objective of this study was to describe the patients who were hospitalised at Oslo University Hospital Aker during the first wave of pandemic Influenza A (H1N1) in Norway. METHODS Clinical data on all patients hospitalised with influenza-like illness from July to the end of November 2009 were collected prospectively. Patients with confirmed H1N1 Influenza A were compared t...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2010
Jonathan A McCullers Lee-Ann Van De Velde Kim J Allison Kristen C Branum Richard J Webby Patricia M Flynn

BACKGROUND. The world is facing a novel H1N1 influenza pandemic. A pandemic scare with a similar influenza virus in 1976 resulted in the vaccination of nearly 45 million persons. We hypothesized that prior receipt of the 1976 "swine flu" vaccine would enhance immune responses to the 2009 novel H1N1 influenza strain. METHODS. A prospective, volunteer sample of employees aged > or = 55 years at a...

Journal: :Pediatric blood & cancer 2014
Gábor Ottóffy Petra Horváth Lajos Muth Alexander Sólyom Miklós Garami Gábor Kovács Tibor Nyári Dénes Molnár Gábor Pauler István Jankovics

BACKGROUND No examination of simultaneous vaccination against pandemic H1N1 and the seasonal influenza virus strains, in children with cancer receiving chemotherapy, are yet published. We investigated the immunogenicity of a whole-virion, inactivated, adjuvanted pandemic H1N1, and seasonal influenza vaccines administered simultaneously to children with cancer undergoing chemotherapy. PROCEDUR...

2015
Nastaran Khodadad Afagh Moattari Mahmoud Shamsi Shahr Abadi Mohammad Rahim Kadivar Jamal Sarvari Forough Tavakoli Neda Pirbonyeh Amir Emami

BACKGROUND Oseltamivir has been used as a drug of choice for the prophylaxis and treatment of human influenza A(H1N1)pdm09 infection across the world. However, the most frequently identified oseltamivir resistant virus, influenza A(H1N1)pdm09, exhibit the H275Y substitution in NA gene. OBJECTIVES This study aimed to determine the prevalence and phylogenetic relationships of oseltamivir resist...

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