Items related to the history, the appearance of the pandemics, the biology of the disease, its epidemiology, clinics, treatment, prognosis and. This novel h1n1 flu virus was first detected in april of 2009 in the united states, and spread quickly around the world. Terapia fisica psicoterapia educacion y control del. Currently, there are limited data from middleincome countries.
Influenza a and b are the two types of influenza viruses that cause epidemic human disease 21. Genetic diversity of influenza ah1n12009 virus circulating. Cdc is preparing for an early flu season and expects both 2009 h1n1 flu and seasonal flu to cause illness, hospital stays and deaths this season. Influenza pneumonia incidence was high in 2005, a year when influenza ah3n2 subtype virus strains predominated, low in 2006 when ah1n1 viruses were more common, moderate in 2007 when h3n2 and. On june 11 th, 2009, the world health organization declared the start of the first flu pandemic in 40 years.
Effect of previous and current vaccination against. Swine influenza is a respiratory infection common to pigs worldwide caused by type a influenza viruses, principally subtypes h1n1. Influenza a viruses are further categorized into subtypes on the basis of two surface anti. Influenza is unpredictable, but this flu season could be worse than recent years because of the 2009 h1n1 virus. Pending information about this emerging pathogen, influenza prevention and control policies in the american tropics still targeted persons at risk of developing complications as a result of seasonal influenza disease e. Risk factors for death from influenza ah1n1pdm09, state. Physicians of the spanish influenza sentinel surveillance system report and systematically swab patients attended to their practices for influenzalike illness ili. Influenza a h1n1, informacion, tratamiento, definicion. Medical charts of all the 193 patients who died cases and the 386 randomly selected. Within the surveillance system, some spanish regions also participated in an observational study aiming at estimating influenza vaccine effectiveness cyceva study. Nov 30, 2011 physicians of the spanish influenza sentinel surveillance system report and systematically swab patients attended to their practices for influenza like illness ili. Q u im io p r o fila x is t r a ta m ie n to a n tiv ir a l.
Influenza activity in spain was associated, since the beginning of the season 20102011, to a predominant circulation of influenza ah1n12009 with an increasing contribution of b virus after the. During the season 20092010, we estimated pandemic influenza. We explored the clinical effects and economic benefits of expanding the current national influenza vaccination. We estimated the combined effect of the previous and. Influenza activity in spain was associated, since the beginning of the season 20102011, to a predominant circulation of influenza ah1n12009 with an increasing contribution of b virus after the peak of influenza activity, reached at week 022011. Influenza humana a h1n1, su profilaxis y tratamiento. Pending information about this emerging pathogen, influenza. Early in the pandemic, the epidemiologic and clinical characteristics of influenza a h1n1pdm09 were poorly understood. The influenza virus type a infects humans and other organisms, and is the causative. Risk factors for death from influenza ah1n1pdm09, state of. Summary of progress since 2009 pandemic influenza flu.
Cdc estimates that between 151,700 and 575,400 people died worldwide from. Currently, there are limited data from middleincome countries analysing the costeffectiveness of influenza vaccination in this population. Lessons learned article pdf available in health research policy and systems 71. Using surveillance data to estimate pandemic vaccine. Decisionmaking process by users and providers of health. Pdf treatment and prevention of pandemic h1n1 influenza. Effect of previous and current vaccination against influenza. We estimated the combined effect of the previous and current influenza vaccines from the 20102011 season to the 20152016 season in spain. Apr 07, 2011 influenza a h1n1, informacion, tratamiento, definicion, prevencion.
This casecontrol study aimed to assess the risk factors for death from influenza ah1n1pdm09 in patients with laboratory confirmation, who had severe acute respiratory illnesssari and were. Influenza ah1n1 tambien conocida como influenza porcina o gripe del cerdo. Thompson ww, weintraub e, dhankhar p, cheng oy, brammer l, meltzer mi, et al. Documento tecnico influenza by fernando romero issuu. Despite of a global plan against influenza, and the progress achieved in diagnostic techniques and treatment schemes, when the 2009 pandemic appeared, in some middleincome countries such as. Background recent studies suggest that the protective effect of the current influenza vaccine could be influenced by vaccination in previous seasons. The influenza virus belongs to the orthomyxoviridae family, viruses with a negative sense segmented rna genome. Pdf influenza is a highly contagious acute viral infection of the respiratory tract. Influenza a and b are the two types of influenza viruses that. Download as ppt, pdf, txt or read online from scribd. The current national influenza vaccination schedule in mexico does not recommend vaccination in the schoolaged population 511 years. This casecontrol study aimed to assess the risk factors for death from influenza ah1n1pdm09 in patients with laboratory confirmation, who had severe acute respiratory illnesssari and were hospitalized between june 28th and august 29th 2009, in the metropolitan regions of sao paulo and campinas, brazil. Historia natural influenza ah1n1 by karla martinez castro on. Influenza a h1n1, informacion, tratamiento, definicion, prevencion.
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