Epidemiologia influenza a h1n1 pdf

Influenza diagnosis clinical and epidemiological characteristics increase of febrile respiratory illness lab isolation of influenza virus from clinical specimen e. The identified influenza virus types and subtypes among casepatients were consistent with the type and subtype of influenza virus circulating within the general population. Influenza fact sheet keywords department of health services, dhs, division of public health, influenza, flu, coughing, sneezing, vaccine, vaccination, flu shot, contagious, p42064, p42064. Consulta il rapporto influnet stagione 2017 2018 pdf 2018 kb.

The infection of humans with an h5 avian influenza virus in hong kong in 1997 has resulted in a reconsideration of the role of the avian species in the epidemiology of human influenza. Influenza viruses that are normally found in swine are known as swine influenza viruses sivs. The known siv strains include influenza c and the subtypes of influenza a known as h1n1, h1n2, h3n1, h3n2 and. The epidemiology, clinical manifestations, prevention, and treatment of seasonal influenza infection diagnosing influenza infection, yields relatively rapid results, and differentiates between influenza types and subtypes including pandemic h1n1 influenza. Amena ahmad article pdf available in the european journal of. By twosite labeling of the bacteriallyproduced antiha fab with atto520, its fluorescence intensity was increased to 4. Influenza and other respiratory virus activity remained low in the subregion. Strategy to enhance influenza surveillance worldwide. Ah1n1 298 6 998 0 703 528 casos influenza ah1n1 6,331 66 6,905 4,401 3,051 defunciones influenza 345 60 1,112 85 6 20152016 20162017 casos influenza 7,317 2,945 9,1 9,641 6,371 evento 20112012 201220 202014 20142015 2,836 20172018 20182019 7,466 848 4,892 744 3,692 160 405 47 20192020 5,445 289 2,730 221 nota. Emergence of a novel swineorigin influenza a h1n1 virus in humans. Antigenic and genetic characteristics of swineorigin 2009 ah1n1 influenza viruses circulating in humans. Birds, pigs, horses, ferrets, dogs, and cats can all be infected with various strains of the influenza virus.

Neum10, fouc04, koop04 van het influenza bvirus bestaan er twee. Pdf introduccion a influenzatambien conocida como gripees una. By analyzing the outbreak in mexico, early data on international spread, and viral genetic diversity, we make an early assessment of transmissibility and severity. Pandemic potential of a strain of influenza a h1n1. Active immunization of persons ages 6 months and older against influenza disease caused by pandemic h1n1 2009 virus. Influenza situation report pan american health organization. To carry out the epidemiological analysis of 122 influenza a h1n1 deaths confirmed by. Challenges of global surveillance during an influenza pandemic pdf, 678kb april 2011. Background we aimed to assess the changes in healthrelated quality of life hrql in patients with confirmed diagnosis of influenza h1n12009, and to estimate the individual and societal loss of qualityadjusted life years qalys caused by the pandemic. Cdc estimates of 2009 h1n1 influenza cases, hospitalizations and deaths in the united states, april november 14, 2009 consultado 17122009. The english language content on this website is being archived for historic and reference purposes only. It is an orthomyxovirus that contains the glycoproteins haemagglutinin and neuraminidase. Because this virus is very different from current seasonal influenza viruses, many people will not have protective immunity against it and the seasonal flu vaccine will not protect against it either. Later, several outbreaks of influenza virus were reported in 1968, 1998, 2009.

Monitoraggio dellandamento delle forme gravi e complicate di influenza stagionale 20102011 pdf 64 kb circolare del 1 ottobre 2009 gestione delle forme gravi e complicate di influenza da virus ah1n1 v pdf 1,3 mb. Reinforcement of the spanish influenza surveillance system the siss has been in place since 1996 to provide timely epidemiological and virological information on influenza activity in spain, 7 and it is integrated into the european influenza surveillance network. Pdf the 2009 influenza ah1n1 epidemiology, mediaattention. Influenza is a viral infection that affects mainly the nose, throat, bronchi and.

Alem disso, possuem papel relevante na transmissao viral entre especies e na epidemiologia da influenza humana. In mexico, low influenza activity overall and sarscov2 detections and positivity decreased this week. A novel influenza a h1n1 virus has spread rapidly across the globe. The epidemiology, clinical manifestations, prevention, and treatment of seasonal influenza infection diagnosing influenza infection, yields relatively rapid results, and differentiates between influenza types and subtypes including pandemic h1n1 influenza, h5n1 avian. Pandemic h1n1 was first observed in the year 1918 in spain, where it caused millions of deaths. This work is licensed under a creative commons attribution. Influenza in humans is often referred to as the seasonal flu. It most commonly causes a fever and respiratory problems.

Regarding the burden of severe influenza disease by age. Influenza, also called the flu, is a viral disease that affects humans and many animals. The h1n1 virus that caused that pandemic is now a regular human flu virus and continues to circulate seasonally worldwide. Emergence and pandemic potential of swineorigin h1n1 influenza virus.

First outbreak of influenza ah1n1 v without travel history in the toulouse district, france, june 2009. We have successfully generated a quenchbody that enables the detection of the influenza virus hemagglutinin ha, in a simple and convenient manner. The 2009 influenza ah1n1 epidemiology, mediaattention and publicreaction in 5 european countries. Influenza a h1n1 2009 monovalent vaccine csl limited. Novel influenza a h1n1 virus produces higher mortality in young people whereas. Novel swineorigin influenza a h1n1 virus investigation team, dawood fs, jain s, et al. Epidemiology of the 2009 influenza pandemic in spain. Once ai is established in domestic poultry, it is a highly contagious disease and wild birds are no longer an essential ingredient for spread. Risk factors for severe outcomes following 2009 influenza a h1n1 infection.

Influenza in birds is often referred to as avian influenza, in pigs as swine influenza, in horses as equine influenza and so on. Judging its pandemic potential is difficult with limited data, but nevertheless essential to inform appropriate health responses. Pdf modello sir applicato all influenza a h1n1 marco. Dec 15, 2017 regarding the burden of severe influenza disease by age. The emergence of a novel strain of influenza virus a h1n1 in april 2009 focused attention on influenza surveillance capabilities worldwide. Methods and results longitudinal study of patients recruited at major hospitals and primary care centers in spain. Illness severity in hospitalized influenza patients by.

Swine influenza also known as swine flu or pig flu is a respiratory disease that occurs in pigs that is caused by the influenza a virus. In consultations before the 2009 outbreak of influenza subtype h1n1, the world health organization had concluded that the world was unprepared to respond to an influenza pandemic, due in part to. Some cases among the ongoing influenzalike illness outbreaks in the united states may be not caused by influenza virus but by a human adenovirus type 4 variant usually found in military settings. Estimating the burden of seasonal influenza in spain from. Product information package insert influenza a h1n1 2009. There are three groups of influenza viruses, called type a, b. In consultations before the 2009 outbreak of influenza subtype h1n1, the world health organization had concluded that the world was unprepared to respond to an influenza pandemic, due in part to inadequate global surveillance. For this reason, they are described as h1n1, h1n2 etc. Diagnosis of influenza in children is discussed separately.