Nationally, influenza a h1n1pdm09 viruses are now the most commonly reported influenza viruses this season. In east asia, ili and influenza activity returned to baseline levels. A seasons severity is determined by comparing these measures with previous seasons. Was the peak of the 20072008 flu season typical in terms of timing.
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. Sequence similarity map of h7n3 viruses for the hemagglutinin gene showing three major. Information in this report is categorized by influenza transmission zones, which are geographical groups of countries, areas or territories with similar influenza transmission patterns. Map shows geographic distribution of cases throughout mexico. Weekly influenza activity estimates reported by state and territorial epidemiologists. Highly pathogenic avian influenza in mexico food and agriculture.
In 2009, a new h1n1 influenza virus emerged, causing the first global flu pandemic in 40 years. It was reported that cases of the novel influenza a h1n1 had begun to emerge in march of 2009 in mexico, and by the first 2 weeks of april were beginning to be identified in mexico and california. Estimated attack rate of influenza a h1n1v virus infection in the different mexican states during the 3 rd wave. The influenzaassociated hospitalization rate among children. This outbreak of influenzalike illness cases led to the first report made by the mexican government to the pan american health organization paho on. Influenza and other respiratory virus activity remained low in the. Pdf inside the outbreak of the 2009 influenza a h1n1v. In the caribbean and central american countries, influenza activity was reported in some countries. In east asia, influenza like illness ili and influenza activity appeared to decrease overall. Data collected in ilinet are used to produce a measure of ili influenza like illness activity by state. There is a large body of observational and clinical trial evidence that shows that influenza vaccination helps protect against ami. Department of health and human services centers for disease control and prevention.
Twelve disease categories are used to help you quickly find what youre looking for within your local area. For more information on influenza transmission zones, see the link below. The percentage of respiratory specimens testing positive for influenza at clinical laboratories decreased from 28. Oie situation report for avian influenza 31 august 2018 3 january 2005 december 2012 january 20 august 2018 number of countries and territories affected by hpai in domestic birds 65 68 number of outbreaks reported in domestic birds 8,345 7,122 number of subtypes reported in domestic birds 4 12 table 2. Influenza update 367 11 may 2020 update number 367, based on data up to 26 april 2020.
Mexican state is provided see figure 1 for a map of mexico. How does influenza disproportionately impact older adults. In the caribbean and central american countries, influenza activity was low across reporting countries with some exceptions. In mexico, influenza activity continued to decrease, with influenza ah1n1pdm09 and bvictoria lineage viruses co. In mexico, sarscov2 detections and positivity decreased slightly this week. Highly pathogenic avian influenza in mexico h7n3 a significant threat to. 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. First human infection with new influenza a h1n1 virus detected in california. However, the national council of science and technology conacyt reported two cases of covid19 in midjanuary 2020 in the states of nayarit and tabasco, one case per state. This series of dynamic visualizations allow any internet user to access influenza information collected by cdcs monitoring systems. The covid19 pandemic was confirmed to have reached mexico in february 2020. In mexico, influenza activity appeared to decrease, with influenza ah1n1pdm09 viruses most frequently detected. Characteristics of the 58 sviavs collected in mexico for this study. This file is licensed under the creative commons attributionshare alike 3.
Internal genes are categorized as triple reassortant internal genes. A weekly influenza surveillance report map by state. Influenza outbreak in mexico center for strategic and. A weekly influenza surveillance report prepared by the influenza division. Influenza transmission zones pdf, 659kb open map in new window. As of may 12, there had been 38,324 confirmed cases of covid19 in mexico and 3,926 reported deaths, although the. Influenza situation report pan american health organization. Early outbreak of 2009 influenza a h1n1 in mexico prior. Initial reports suggested that the outbreak had started in february due to farming practices at a pig farm halfowned by smithfield foods. Weekly influenza activity estimates reported by state and territorial epidemiologists week ending feb 08, 2020 week 6. The genotype figure 1b and lineage and clade figure 2 of each segment for each virus is provided. New mexico influenza surveillance update 2015 2016 influenza season epidemiology and response division, new mexico department of health nmdoh influenza activity in new mexico for week ending january 2, 2016 mmwr week 52 influenza in the state was at low activity by several indicators1. Most of the categories refer to where the disease affects your body, such as gastrointestinal for cholera or respiratory for pneumonia.
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