For information about cdcs response to the 2009 h1n1 pandemic, visit the 2009 h1n1 pandemic. The 2009 h1n1 influenza virus referred to as swine flu early on was first detected in people in the united states in april 2009. Fue inicialmente conocida como gripe porcina nueva gripe. Clinical management of human infection with pandemic h1n1. Pdf this article offers a summarized vision of the main influenza epidemics. To describe clinical and epidemiological features of influenza a h1n1 2009 diagnosed patients in the. Here we applied a broad genetic and phylogenetic analysis of a wide range of.
On 3 may 2009, the first case of the flu in south america was confirmed in a colombian man who recently. The 2009 flu pandemic in south america was part of a global epidemic in 2009 of a new strain of influenza a virus subtype h1n1, causing what has been commonly called swine flu. The first case of influenza a h1n1 was confirmed in the country. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The pandemic of 1918 was caused by an h1n1 influenza a virus, which is a negative strand rna virus. Novel influenza a h1n1 is caused by a new flu virus that was first detected in april, 2009. The influenza a virus subtype h1n1 arrived in argentina in late april 2009, through air traffic. A novel influenza a h1n1 virus of swine origin emerged among people in mexico during the spring of. Influenza ah1n1 is a respiratory illness, and the symptoms are similar to those of the regular human seasonal flu. Presentations ppt, key, pdf logging in or signing up. Origin of the 1918 pandemic h1n1 influenza a virus as. An increasing number of cases are being reported internationally.
All structured data from the file and property namespaces is available under the creative commons cc0 license. Archived from the original pdf on september 11, 2009. Emergence and pandemic potential of swineorigin h1n1 influenza virus. However, just as the common, seasonal flu that affects humans is constantly mutating as our immune systems and vaccines compromise weaker strains, swine flu is always trying to improve itself so that it can become more virulent.
Public health emergency for 2009 h1n1 influenza expired on june 23, 2010. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. The virus is infecting people and is spreading from persontoperson. Conocida tambien como gripe porcina authorstream presentation.
Swine flu is an influenza virus that usually affects pigs. A copy of the license is included in the section entitled gnu free documentation license. Gripe porcina influenza a virus h1n1 gigante gmeugg0734. Update from the centers of disease control and prevention.
Novel swineorigin influenza a h1n1 virus investigation team. The epidemiology of pandemic h1n1 2009 virus infection to date indicates that children and. Gripe h1n1 gripe porcina please note this page is archived for historical purposes and is no longer being maintained or updated. Contact investigation burden because of failure to institute.
Download citation on jan 1, 2010, jose luis viejo banuelos and others. This virus was originally referred to as swine flu because laboratory testing showed that its gene segments were similar to influenza viruses that were most recently identified in and known to circulate. It provides countrylevel information regarding the number of reported, tested, and confirmed. All about gripe porcina influenza a virus h1n1 facts. Files are available under licenses specified on their description page. On august 10, 2010, the world health organization who international health regulations ihr emergency committee declared an end to the 2009 h1n1 pandemic globally.