Among those with influenza A subtype information, 574 (43.3%) were A(H1N1) pdm09 and 753 (56.7%) were A(H3N2). When examining rates by age, the highest cumulative hospitalization rate per 100,000 population was among adults aged 65 years and older (68.4), followed by adults aged 50-64 years (25.9), children aged 0-4 years (22.3), adults aged 18 ...

Before the H1N1 pandemic in 2009, the influenza A (H1N1) virus had never been identified as a cause of infections in people. Genetic analyses of this virus have shown that it originated from animal influenza viruses and is unrelated to the human seasonal H1N1 viruses that have been in general circulation among people since 1977.

2020年9月8日 · This activity provides a comprehensive review of the presentation, evaluation, and management of H1N1 influenza, emphasizing the essential role of an interprofessional healthcare team in caring for affected patients affected by the H1N1 influenza virus.

2024年5月13日 · The WHO GISRS laboratories tested more than 350429 specimens during that time period. 20741 were positive for influenza viruses, of which 17211 (82.98%) were typed as influenza A and 3530 (17.02%) as influenza B. Of the sub-typed influenza A viruses, 6275 (63.52%) were influenza A (H1N1)pdm09 and 3604 (36.48%) were influenza A (H3N2).

2010年6月19日 · As of 27 June, worldwide more than 214 countries and overseas territories or communities have reported laboratory confirmed cases of pandemic influenza H1N1 2009, including over 18239 deaths. WHO is actively monitoring the progress of the pandemic through frequent consultations with the WHO Regional Offices and Member States and through ...

2025年3月7日 · National Center for Health Statistics (NCHS) Mortality Surveillance. Based on NCHS mortality surveillance data available on March 6, 2025, 2.5% of the deaths that occurred during the week ending March 1, 2025 (Week 9), were due to influenza. This percentage decreased (≥ 0.1 percentage point change) compared to Week 8.

We estimated that between 7,500 and 44,100 deaths are attributable to the A/H1N1 pandemic virus in the US during May-December 2009, and that between 334,000 and 1,973,000 years of life were lost.

A total of 94,512 cases worldwide to date of influenza A (H1N1) were registered, including 429 deaths. * For commercial use only. Access limited to Free Statistics. Premium Statistics are not...

The 2009 H1N1 flu pandemic is estimated to have actually caused about 284,000 (range from 150,000 to 575,000) excess deaths by the WHO-USCDC study and 148,000–249,000 excess respiratory deaths by the WHO-NIVEL study.

2012年6月27日 · More than 3 years after the emergence of the 2009 pandemic influenza A H1N1 virus, the associated global mortality remains unclear. Of 18 500 laboratory-confirmed pandemic-associated deaths identified during April, 2009, to April, 2010, worldwide, less than 12% were reported from Africa and southeast Asia, although these regions are home to ...