States with cases 33,902, 10,262 mexico to canada with 7,983. Mexico, since 2003 had developed a national preparedness and response plan for an influenza pandemic focused in risk communication, health promotion. Inside the outbreak of the 2009 influenza a h1n1 v virus in mexico article pdf available in plos one 510. Viruses are the most common influenza h1n1 and h3n2, and influenza b. On the basis of the analysis of newspaper articles and other media reports, this paper aims to identify the shortterm economic impacts of the influenza a h1n1 epidemic on the mexican tourism. Initial reports suggested that the outbreak had started in february due to farming practices at a pig farm halfowned by smithfield foods.
Influenza mexico pdf ppt case reports symptoms treatment. The 3 confirmed cases include an 18 year old male from valencia county, and a 14 year old female and 15 year old male both from sorocco county. Cdc h1n1 flu interim guidance on infection control. Influenza is a respiratory disease caused by a virus.
The 2009 swine h1n1 flu pandemic responsible for more than 17,000 deaths worldwide originated in pigs from a very small region in central mexico, a research team is reporting. Information in this report is categorized by influenza transmission zones, which are geographical groups of countries, areas or territories with similar influenza transmission patterns. It is spread from person to person by sneezing and talking, it can be mistaken for serious flu cases of other influenza. Influenza update 366 27 april 2020 update number 366, based on data up to 12 april 2020. Department of defense biological threat response to the 20092010 h1n1 influenza outbreak dept. In march and april 2009, an outbreak of a new strain of influenza commonly referred to as swine flu infected many people in mexico and other parts of the world, causing illness ranging from mild to severe. Pdf several influenza pandemics have taken place throughout history and it was assumed that the pandemic would emerge from a new. Pdf on april 12, 2009, mexico responded to a request for verification by the world health organization who of an outbreak of acute respiratory. As of tuesday 5th may 2009, currently in the state of new mexico there are 3 confirmed cases of h1n1 and the new mexico department of health is investigating a total of 24 probable cases 3. Pdf direktor des instituts fur virologie, veterinarmedizinische fakultat, universitat. The newly sequenced genomes close important gaps in our understanding of the emergence of this pandemic.
In mexico, low influenza activity overall and sarscov2 detections continued to increase in recent weeks. Cdc is releasing updated interim guidance on infection control measures to prevent transmission of 2009 h1n1 influenza in healthcare facilities. Pdf shortterm economic impacts of influenza a h1n1. Outbreak of swine origin influenza a h1n1 virus infection mexico, marchapril 2009. Below is a timeline of major events that took place during the 2009 h1n1 pandemic. In virology, 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 flu pandemic it is an orthomyxovirus that contains the glycoproteins haemagglutinin and neuraminidase. The manuscript presents a phylogenetic analysis of 58 full influenza a virus genomes collected from swine in mexico to shed light on the origin of the 2009 pandemic of h1n1 influenza.
Pdf inside the outbreak of the 2009 influenza a h1n1v. Influenza h1n1 in the first 2 weeks in april, cases of infection with an untypable influenza a virus began to be identified in mexico and southern california. Influenzaavirus h1n1 ah1n1 bezeichnet einen subtyp des influenzaa virus gattung. Pneumonia and respiratory failure from swineorigin. The may 22 fluview report shows that influenza activity. In march and early april 2009, mexico experienced outbreaks of respiratory illness and increased reports of patients with influenza like illness ili in several areas of the country. Background in late march 2009, an outbreak of a respiratory illness later proved to be caused by novel swine origin influenza a h1n1 virus soiv was identified in mexico.
A new flu virus emerges the h1n1 pdm09 virus was very different from h1n1 viruses that were circulating at the time of the pandemic. Few young people had any existing immunity as detected by antibody response to the h1n1 pdm09 virus, but nearly onethird of people over 60 years old had antibodies against this virus. The updated interim guidance applies uniquely to the special circumstances of the current 2009 h1n1 pandemic and will be updated as necessary as new information becomes available throughout the course. Pneumonia and respiratory failure from swineorigin influenza a. For this reason, they are described as h1n1, h1n2 etc.