نتایج جستجو برای: h1n1 subtype

تعداد نتایج: 65686  

2011
Ranawaka A.P.M. Perera Steven Riley Siu K. Ma Hua-Chen Zhu Yi Guan Joseph S.M. Peiris

To assess herd immunity to swine influenza viruses, we determined antibodies in 28 paired serum samples from participants in a prospective serologic cohort study in Hong Kong who had seroconverted to pandemic (H1N1) 2009 virus. Results indicated that infection with pandemic (H1N1) 2009 broadens cross-reactive immunity to other recent subtype H1 swine viruses.

2015
Sabine Husemann Florian Fischer

BACKGROUND The H1N1 influenza pandemic occurred in Germany between April 2009 and August 2010. Pandemics often lead to uncertainty amongst the public and so risk communication on health-related issues is one of the key areas of action for health authorities and other healthcare institutions. The mass media may contribute to risk communication, so this study analysed press coverage during the H1...

Background: The flu is a severe and fatal disease with a potential for widespread outbreaks. To reduce the social and economic costs of the disease, vaccination of the entire population and the population at risk is effective. Since every region has a sub-type of influenza virus is endemic, it is necessary to identify the species of native studies done in each area. Methods: In this study, a...

Journal: :Journal of Microbiology, Epidemiology and Immunobiology 2022

Background. Preventive vaccination is a vitally important strategic aspect of protection the population against severe effects influenza epidemics. The priority attention given to development effective tetravalent vaccines containing antigens two A lineages (H1N1, H3N2) and B (Victoria Yamagata) in combination with immunoadjuvants.The aim work was conduct preclinical study immunogenicity protec...

Journal: :The New England journal of medicine 2009
Simon Cauchemez Christl A Donnelly Carrie Reed Azra C Ghani Christophe Fraser Charlotte K Kent Lyn Finelli Neil M Ferguson

BACKGROUND As of June 11, 2009, a total of 17,855 probable or confirmed cases of 2009 pandemic influenza A (H1N1) had been reported in the United States. Risk factors for transmission remain largely uncharacterized. We characterize the risk factors and describe the transmission of the virus within households. METHODS Probable and confirmed cases of infection with the 2009 H1N1 virus in the Un...

2009
Rebecca Katz

Strong international health agreements and good planning created a structure and common procedure for nations involved in detection and evaluation of the emergence of influenza A (H1N1). This report describes a timeline of events that led to the determination of the epidemic as a public health emergency of international concern, following the agreed-upon procedures of the International Health R...

2011
Jennifer Juno Keith Fowke Yoav Keynan

The pandemic influenza A (H1N1) virus (pH1N1) spread quickly throughout the world following the April 2009 outbreak in Mexico, and it was the first major influenza pandemic since 1969. In order to effectively prepare for and respond to future pandemics, it is crucial to fully understand the characteristics of the 2009 outbreak. The objective of this review is to focus on the salient epidemiolog...

2013
Andrea R. Ashbaugh Christophe F. Herbert Elena Saimon Nelson Azoulay Lening Olivera-Figueroa Alain Brunet

BACKGROUND With the release of the H1N1 vaccine, there was much controversy surrounding its use despite strong encouragements to be vaccinated in the media. Though studies have examined factors influencing people's decision to be vaccinated, few have focused on how general beliefs about the world or where an individual gathers information might influence that decision. METHODOLOGY/PRINCIPAL F...

2012
Hongjie Yu Simon Cauchemez Christl A. Donnelly Lei Zhou Luzhao Feng Nijuan Xiang Jiandong Zheng Min Ye Yang Huai Qiaohong Liao Zhibin Peng Yunxia Feng Hui Jiang Weizhong Yang Yu Wang Neil M. Ferguson Zijian Feng

Pandemic influenza A (H1N1) 2009 virus spread rapidly around the world in 2009. We used multiple data sources from surveillance systems and specific investigations to characterize the transmission patterns of this virus in China during May-November 2009 and analyze the effectiveness of border entry screening and holiday-related school closures on transmission. In China, age distribution and tra...

2015
Wei Liu Liping Peng Hongmei Liu Shucheng Hua Juan C. de la Torre

OBJECTIVE To investigate the long-term effects of mild H1N1 influenza infection on the pulmonary function of a cohort of patients. METHODS Forty-eight patients, all diagnosed with influenza A virus subtype H1N1 in 2009, were retrospectively included in this study. Each patient in the study was monitored for 11-13 months by standard pulmonary function examination. The examination included moni...

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