influenza A H1N1 virus (swine flu virus, Spanish flu virus)
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Epidemiology
- first surfaced in 2009
- predominant ciculating virus in 2013-2014 flu season[3]
- etiologic agent of 1918 Spanish flu[4]
- started in Spring of 2018, dissipated over Summer, returned with a vengeance in the fall
Pathology
Laboratory
- influenza virus A serology
- influenza virus A H1 antigen
- influenza virus A H1 RNA
- influenza virus A neuraminidase RNA
- influenza virus identified by culture
Complications
Management
- neuraminidase inhibitor use among patients hospitalized with 2009 pandemic H1N1 associated with 19% lower mortality[5]
More general terms
Additional terms
References
- ↑ Centers for Disease Control and Prevention (CDC). Update: Infections with a swine-origin influenza A (H1N1) virus - United States and other countries, April 28, 2009. MMWR Morb Mortal Wkly Rep 2009 Apr 28; 58d:1. http://www.cdc.gov/mmwr/preview/mmwrhtml/mm58d0428a2.htm
- ↑ Centers for Disease Control and Prevention (CDC). Update: Drug susceptibility of swine-origin influenza A (H1N1) viruses, April 2009. MMWR Morb Mortal Wkly Rep 2009 Apr 28; 58d:1. http://www.cdc.gov/mmwr/preview/mmwrhtml/mm58d0428a1.htm
- ↑ 3.0 3.1 CDC Health Advisory. December 24, 2013, Notice to Clinicians: Early Reports of pH1N1-Associated Illnesses for the 2013-14 Influenza Season. http://emergency.cdc.gov/HAN/han00359.asp
- ↑ 4.0 4.1 Taubenberger J and Morens D Centers for Disease Control and Prevention (CDC). Emerging Infectious Diseases. 12(1) Jan 2006 1918 Influenza: the Mother of All Pandemics http://wwwnc.cdc.gov/eid/article/12/1/05-0979_article.htm
- ↑ 5.0 5.1 5.2 Muthuri SG et al Effectiveness of neuraminidase inhibitors in reducing mortality in patients admitted to hospital with influenza A H1N1 virus infection: a meta-analysis of individual participant data Lancet Respir Med article. March 19, 2014 <PubMed> PMID: https://www.ncbi.nlm.nih.gov/pubmed/24815805 <Internet> http://download.thelancet.com/flatcontentassets/pdfs/S2213260014700414.pdf
- ↑ Rasmussen SA, Jamieson DJ 2009 H1N1 Influenza and Pregnancy - 5 Years Later. N Engl J Med 2014; 371:1373-1375. October 9, 2014 <PubMed> PMID: https://www.ncbi.nlm.nih.gov/pubmed/25295498 <Internet> http://www.nejm.org/doi/full/10.1056/NEJMp1403496