Recommended composition of influenza virus vaccines for use in. However, h1n1 remains present in mexico, and as of december, was classified by who as widespread. H7n3 outbreaks, culling in mexico have killed almost 4 million poultry outbreaks of h7n3 avian flu over the past 5 weeks have led to almost 4 million poultry deaths in guanajuato and jalisco states, according to a translated media report yesterday from promed mail, the online reporting system of the international society for infectious diseases. It also assesses the role of the international response in the context of this economic impact. Influenza report has also been published in albanian, chinese, croatian, german, indonesian, italian, mongolian, serbian, and slovenian to be informed about new chapters or editions, please subscribe to the influenza report alert. A recrudescent wave of pandemic influenza ah1n1 is underway in mexico in winter 20 14, following a mild 2012 ah3n2 influenza season. This issue of the ecdc communicable disease threats report cdtr covers the period 39 november 20, and includes updates on botulism, cholera, influenza, seasonal influenza, mers, pertussis, polio and west nile fever. One study estimated that by the end of april, at least 1,000 to 375,000 people in mexico had been infected. Influenza report is a medical textbook that provides a comprehensive overview of epidemic and pandemic influenza download pdf. Mar 20, 2020 the current national influenza vaccination schedule in mexico does not recommend vaccination in the schoolaged population 511 years.
During the study period dec 2, 20 january 23, 2014, the 2009 h1n1 virus accounted for 98% of flu viruses detected. New mexico influenza surveillance update 20 2014 influenza season epidemiology and response division, new mexico department of health nmdoh influenza activity in new mexico for week ending february 1, 2014 mmwr week 5 influenza in the state remains at high activity by several indicators1. Pneumonia is an infection of the lungs due to a variety of causes that can also be severe and lead to complications, including death. New mexico influenza surveillance update 2012 20 influenza season epidemiology and response division, new mexico department of health nmdoh influenza activity in new mexico for week ending december 1, 2012 mmwr week 48 influenza in the state was at low to moderate activity by several indicators1.
Pdf in 1992, a new type of influenza virus appeared in southeast asia. Influenza a viruses are constantly changing, making it possible on very rare occasions for nonhuman influenza viruses to change in such a way that they can infect people easily. This revision of the guidance takes account of lessons learnt from the influenza ah1n1 2009 pandemic and of other relevant developments. 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. Recommended composition of influenza virus vaccines for use in the 201220 northern hemisphere influenza season february 2012 influenza activity, september 2011 january 2012 between september 2011 and january 2012, influenza activity was reported in africa, the americas, asia, europe and oceania.
Casos y defunciones positivas a influenza por temporada estacional 20192020. Intense seasonal ah1n1 influenza in mexico, winter 202014. Information in this report is categorized by influenza transmission zones, which are geographical groups of countries, areas or territories with similar influenza transmission patterns. Even when the vaccine doesnt exactly match these viruses, it may still provide some protection. This guidance is an update of who global influenza preparedness plan, the role of who and recommendations for national measures before and during pandemics, published by who in march 2005. Effectiveness against the flu a 2009 h1n1 virus, which was the predominating flu virus during the 2014 flu season, was 62% 95% ci. Michigan influenza surveillance summary 201220 influenza season michigan department of community health november 12, 20 seasonal influenza for the purposes of this report, data for the 201220 season will be described from september 30, 2012 through may 25, 20 unless otherwise indicated. Influenza risk management, updates and replaces pandemic influenza preparedness and response. The economic impact of h1n1 on mexicos tourist and pork. Apr 23, 20 the first influenza pandemic of the 21st century occurred in 2009 and was caused by a swineorigin h1n1 influenza a virus. This, in turn, has led to mitigating the economic, sanitary and social effects.
Illness from influenza viruses can be severe and can lead to complications such as pneumonia and death. Skip directly to site content skip directly to page options skip directly to az link. Substantial morbidity and mortality associated with pandemic. Mexico previously experienced several waves of pandemic ah1n1 activity in spring, summer and fall 2009 and winter 20112012, with a gradual shift of influenza related hospitalizations and deaths towards older ages. Why are public health officials concerned about the current influenza outbreak in mexico. May 10, 2018 the burden of influenza a and b in mexico from the year 2010 to 20. Initial reports suggested that the outbreak had started in february due to farming practices at a pig farm halfowned by smithfield foods. Review of the pandemic influenza preparedness framework report by the directorgeneral 1. An observational, retrospective, database study, on records from the directorate general of epidemiology database.
Between september 2012 and january 20, influenza activity was. We explored the clinical effects and economic benefits of expanding the current national influenza vaccination. The knowledge shared by mexico provided the countries who have faced the human influenza virus ah1n1 with information about its epidemiologic characteristics, its clinical picture and the chance of cure if timely healthcare is provided. Conclusiones temporada invernal centro y sudamerica 201220. An influenza pandemic is a global outbreak of a new influenza a virus that is very different from current and recently circulating human seasonal influenza a viruses. By examining tourist arrivals and pork output and trade statistics, this analysis estimates the economic impact to the mexican tourism and pork sectors because of the h1n1 influenza pandemic. New mexico influenza surveillance update 2012 20 influenza season epidemiology and response division, new mexico department of health nmdoh influenza activity in new mexico for week ending march 2, 20 mmwr week 09 influenza in the state was at low to moderate activity by several indicators1. Influenza flu is a contagious respiratory illness caused by influenza viruses.
Then, in early may, influenza activity began to decline, likely due to the shutdown of most public places in response to the outbreak. Mortalidad por influenza humana a h1n1 en mexico ar t i c u. Casos y defunciones por influenza segun subtipo viral en mexico. Mexico has reported relatively stable influenza activity over the last few weeks with the majority being influenza a. A perspective on multiple waves of influenza pandemics. Who library cataloguinginpublication data programme. During each of these four pandemics, the united states experienced multiple waves of infections, where the numbers of infections and deaths exhibited wellseparated temporal peaks with a separation timescale of months. Currently, there are limited data from middleincome countries analysing the costeffectiveness of influenza vaccination in this population. Each year a new flu vaccine is made to protect against three or four viruses that are likely to cause disease in the upcoming flu season. Apr 23, 2009 there is an epidemic of influenza in mexico city and no news of that in usa why. An outbreak of influenza in mexico that has killed 20 people, is suspected to have caused up to another 129 deaths, and is believed to have caused an additional 1,600 cases of severe respiratory illness across the country has raised concerns among the international health community that the virus. Sep 27, 2014 the influenza hospitalization surveillance network flusurvnet conducts all age populationbased surveillance for laboratoryconfirmed influenza related hospitalizations in select counties in the emerging infections program eip states and influenza hospitalization surveillance project ihsp states. New mexico influenza surveillance update 20 2014 influenza season epidemiology and response division, new mexico department of health nmdoh influenza activity in new mexico for week ending march 22, 2014 mmwr week 12 influenza in the state is at low to moderate activity by several indicators1.
Review of the pandemic influenza preparedness framework. Influenza outbreak in mexico center for strategic and. New mexico influenza surveillance update 2012 20 influenza season epidemiology and response division, new mexico department of health nmdoh influenza activity in new mexico for week ending february 9, 20 mmwr week 06 influenza in the state was at moderate activity by several indicators1. Pandemic influenza risk management who interim guidance. Nmibis health indicator report influenza and pneumonia. Behavior of influenza seasons in mexico from 2010 to 2016. H7n3 in mexico, global flu activity, synthetic fmd. Influenza, commonly known as the flu, is an infectious disease caused by an influenza virus. The burden of influenza a and b in mexico from the year 2010. Department of health and human services centers for disease control and prevention. Influenza update 365 april 2020 update number 365, based on data up to 29 march 2020.
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