Treatment and prevention of pandemic h1n1 influenza. The 2009 influenza ah1n1 pandemic was declared over in august 2010 by the world health organization. Facemasks and intensified hand hygiene in a german household. The pandemic of 1918 was caused by an h1n1 influenza a virus, which is a negative strand rna virus. Diarrhoea and vomiting have also been reported in some cases 12. In the spring of 2009, a new human influenza a h1n1 virus emerged in mexico and the united states. It is an orthomyxovirus that contains the glycoproteins haemagglutinin and neuraminidase. Facemasks and intensified hand hygiene in a german.
As a result, swine influenza viruses with genes from humans, north american pigs and birds have existed in many parts of the world for around 10 years prior to 2009 h1n1 flu. Ce sont tous des myxovirus influenzae, du groupe des orthomyxovirides, dont le materiel. Symptoms are fever, cough, sore throat, headache, and muscle aches. Louie jk, acosta m, winter k, jean c, gavali s, schechter r, vugia d, harriman k, matyas b, glaser ca, samuel mc, rosenberg j, talarico j, hatch d 2009 factors associated with death or hospitalization due to pandemic 2009 influenza ah1n1 infection in california.
This file is licensed under the creative commons attributionshare alike 4. Influenza a virus subtype h1n1 wikipedia republished wiki 2. The 2009 flu pandemic, involving an outbreak of a new strain of influenza commonly known as swine flu usually referred as grippe a or grippe porcine in french, reached france in early may 2009. In the 20102011 season, the forecast of 10% increase in total mortality in see countries and europe compared with the 20092010 season was significantly exceeded, while the expected impact of typespecific vaccines against influenza ah1n1 2009 was not achieved. Swine influenza is a respiratory infection common to pigs worldwide caused by type a influenza viruses, principally subtypes h1n1, h1n2, h2n1, h3n1, h3n2, and h2n3. The aim of this study is to provide an overview of the.
This figure represents a decline of 30% over the number of deaths reported one week. The combination of the helpline with medications leads to a oneyear success rate of 30% to 40%. Europe has now entered a new interpandemic phase of seasonal influenza. News update 12 18 july 2012 brasil refuerza medidas contra gripe ah1n1 tras muertes en una semana wed, 18 jul 2012 00. Mortality is possible during seasonal epidemics, particularly among highrisk patients eg, those who are institutionalized, at the extremes of age, have cardiopulmonary insufficiency, or are in late pregnancy. Oseltamivirresistant influenza virus a h1n1, europe. We used electronically available mortality data on influenza ah1n1 2009, collected and processed by governmental institutions, international organizations, and other relevant sources that regularly register morbidity and mortality 767. Ah1n1 are similar to other forms of influenza, and include fever, cough, headache, pain in the muscles or joints, sore throat, chills, fatigue and runny nose. The california smokers helpline offers free materials and bilingual tobaccocessation specialists. Ramesh prasad, directorcumsso, idsp, jharkhand isolation facility isolation facilities for influenza a h1n1 is available at medical college hospitals and district hospitals. H1n1 flu can be spread to humans from contact with infected pigs. A copy of the license is included in the section entitled gnu free documentation license. Over the past 7 days, 309 swine flu deaths were reported worldwide, an average of 44.
Novel influenza a h1n1 is caused by a new flu virus that was first detected in april, 2009. A study published in the new england journal of medicine, found that 94% of confirmed patients had fever and 92% had cough. The word influenza comes from the italian influentia because people used to believe that the influence of the planets, stars, and moon caused the flufor only such universal influence could explain such sudden and widespread sickness. Influenza a virus subtype h1n1 ah1n1 is the subtype of influenza a virus that was the most common cause of human influenza flu in 2009, and is associated with the 1918 spanish flu outbreak. Vercoutere marc sras, grippes ah5n1, ah1n1 des pandemies. Potential intensive care unit ventilator demandcapacity. Origin of the 1918 pandemic h1n1 influenza a virus as studied.
The strain was referred to as swine flu as it has strong similarities with current circulating swine influenza viruses, although the first outbreak on a swine farm was recorded more than 2 mo following the first human reports. Swine influenza viruses also can cause moderate to severe illness in humans and affect persons of all age groups. Virus grippe a h1n1 the movie bande annonce youtube. Here we applied a broad genetic and phylogenetic analysis of a wide range of influenza virus genes, in particular the pb1 gene, to gain information about the phylogenetic. Origin of the 1918 pandemic h1n1 influenza a virus as. Influenza is a viral respiratory infection causing fever, coryza, cough, headache, and malaise. Aug 11, 2010 cdc recommends a yearly flu vaccination as the first and most important step in protecting against the flu.
Tiene asma, diabetes, enfermedad cardiovascular cronica u otra afeccion prolongada. The 2009 flu pandemic, involving an outbreak of a new strain of influenza commonly known as swine flu usually referred as grippe a or grippe porcine in french, reached france in early may 2009 in order to respond to flu epidemics in france, the government has a national plan, which is also applied for this flu pandemic. This figure represents a decline of 30% over the number of deaths reported one week ago. The 2009 outbreak is due to a new subtype of the type a strain, called h1n1.
Swine flu count worldwide statistics of the h1n1 influenza. Health, general influenza causes of distribution research influenza viruses health aspects oseltamivir phosphate. Monday through friday, 7 am to 9 pm, saturday 9 am to 1 pm english. National collaborating centre for infectious diseases. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. State preparedness regarding seasonal influenza a h1n1 current status as on 23rd february, 2015 state nodal officer dr. The english adopted the word influenza in the mideighteenth century, while the french called it. For this reason, they are described as h1n1, h1n2 etc.
Mixing of these triple reassortant north american swine influenza viruses with eurasian swine viruses likely resulted in the 2009 h1n1 influenza virus. Flickr photos, groups, and tags related to the h1n1 virus flickr tag. Oseltamivirresistant influenza virus a h1n1, europe, 200708 season. Influenza is a wellknown viral infectious disease that occurs almost every year epidemically, becoming occasionally pandemic. Influenza h1 n1 virus is the subtype of influenza a virus that was the most common cause of human influenza flu in 2009, and is associated with the 1918 outbreak known as the spanish flu. Paho general recommendations for the organization of health care. Google imagens introducao influenza acalifornia 7 2009 h1n1 tipo origem geografica n. Revue generale influenza ah1n1 2009 is an acute contagious respiratory infection caused by influenza a virus subtype h1n1 appeared in 2009 and responsible. Swine flu, new flu, and ah1n1 the outbreak of what quickly became known worldwide as the swine flu became the starting point of an escalating crisis situation in a majority of. Jul 30, 2010 the pandemic of 1918 was caused by an h1n1 influenza a virus, which is a negative strand rna virus.
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