Swine influenza

Common Name(s)

Swine influenza, Swine flu

Swine Flu is an infection caused by one of many types of viruses that typically affect pigs. Though swine flu viruses are not typically passed (transmitted) from pigs to humans, humans can sometimes become infected. If a person is infected with a swine flu virus, they are very contagious (can infect other humans easily) and can be for up to 10 days after they are first infected. There are many types of swine flu viruses, but the most common form seen in humans is called H1N1. Symptoms of swine flu in humans are similar to symptoms seen in other flu virus infections and may include fever, coughing, runny nose, lack of appetite, sore throat, lethargy, diarrhea and vomiting.

Unlike other flu viruses, which typically infect young children and the elderly, swine flu often infects young adults. Risk factors for swine flu include a compromised (weak) immune system and pregnancy. Though the virus circulates throughout the year, most outbreaks occur during the fall and winter months. Human to human transmission of the virus often occurs through the spread of mucus and saliva particles by sneezing, coughing, or touching a germ-covered surface.

Diagnosis of swine flu is made by examining a patient and conducting a swab of the patient’s nose and throat to identify whether the infection is caused by a swine flu virus. To prevent a swine flu infection you should wash your hands often, avoid touching your nose and eyes, and avoid exposure to people who are infected by the virus. Immunizations for common types of the swine flu virus can reduce the chance of infection. Once a person is infected, treatment of swine flu generally includes medications that relieve symptoms. If you have been diagnosed with swine flu, talk with your doctor about the latest treatment options.

Source: Advocacy organizations associated with the condition.

 

Advocacy and Support Organizations

 

Condition Specific Organizations

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Swine influenza" for support, advocacy or research.

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General Support Organizations

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Swine influenza" returned 329 free, full-text research articles on human participants. First 3 results:

H1N1 influenza viruses varying widely in hemagglutinin stability transmit efficiently from swine to swine and to ferrets.
 

Author(s): Marion Russier, Guohua Yang, Atanaska Marinova-Petkova, Peter Vogel, Bryan S Kaplan, Richard J Webby, Charles J Russell

Journal:

 

A pandemic-capable influenza virus requires a hemagglutinin (HA) surface glycoprotein that is immunologically unseen by most people and is capable of supporting replication and transmission in humans. HA stabilization has been linked to 2009 pH1N1 pandemic potential in humans and ...

Last Updated: 10 Mar 2017

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Triple-reassortant influenza A virus with H3 of human seasonal origin, NA of swine origin, and internal A(H1N1) pandemic 2009 genes is established in Danish pigs.
 

Author(s): Jesper Schak Krog, Charlotte Kristiane Hjulsager, Michael Albin Larsen, Lars Erik Larsen

Journal: Influenza Other Respir Viruses. 2017 May;11(3):298-303.

 

This report describes a triple-reassortant influenza A virus with a HA that resembles H3 of human seasonal influenza from 2004 to 2005, N2 from influenza A virus already established in swine, and the internal gene cassette from A(H1N1)pdm09 has spread in Danish pig herds. The virus ...

Last Updated: 28 Feb 2017

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Swine influenza A (H1N1) virus (SIV) infection requiring extracorporeal life support in an immunocompetent adult patient with indirect exposure to pigs, Italy, October 2016.
 

Author(s): Francesca Rovida, Antonio Piralla, Federico Capra Marzani, Ana Moreno, Giulia Campanini, Francesco Mojoli, Marco Pozzi, Alessia Girello, Chiara Chiapponi, Fausto Vezzoli, Paola Prati, Elena Percivalle, Anna Pavan, Maria Gramegna, Giorgio Antonio Iotti, Fausto Baldanti

Journal: Euro Surveill.. 2017 Feb;22(5):.

 

We describe a case of severe swine influenza A(H1N1) virus infection in an immunocompetent middle-aged man in October 2016 in Italy who had only indirect exposure to pigs. The patient developed a severe acute distress respiratory syndrome which was successfully supported by extracorporeal ...

Last Updated: 10 Feb 2017

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Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Swine influenza" returned 16 free, full-text review articles on human participants. First 3 results:

Epidemiological features of influenza circulation in swine populations: A systematic review and meta-analysis.
 

Author(s): Eugénie Baudon, Marisa Peyre, Malik Peiris, Benjamin John Cowling

Journal:

 

The emergence of the 2009 influenza pandemic virus with a swine origin stressed the importance of improving influenza surveillance in swine populations. The objectives of this systematic review and meta-analysis were to describe epidemiological features of swine influenza (SI) across ...

Last Updated: 7 Jun 2017

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Acute appendicitis in a child with swine influenza (H1N1).
 

Author(s): Christos Plataras, Sotiria Tsangouri, Dimitrios Bourikas, Efstratios Christianakis

Journal:

 

Swine flu is a multisystemic disease and can affect the gastrointestinal system. There are only three published reports of swine flu cases with acute appendicitis; two of them in children under 16 years of age. We present an unusual case of acute appendicitis in a child already ...

Last Updated: 27 Mar 2015

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Reverse zoonosis of influenza to swine: new perspectives on the human-animal interface.
 

Author(s): Martha I Nelson, Amy L Vincent

Journal: Trends Microbiol.. 2015 Mar;23(3):142-53.

 

The origins of the 2009 influenza A (H1N1) pandemic in swine are unknown, highlighting gaps in our understanding of influenza A virus (IAV) ecology and evolution. We review how recently strengthened influenza virus surveillance in pigs has revealed that influenza virus transmission ...

Last Updated: 3 Mar 2015

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Clinical Trial Information This information is provided by ClinicalTrials.gov

Last Updated: 26 Oct 2017

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Exploring Safety & Clinical Benefit of Anti-Influenza Immune Globulin Intravenous in Hospitalized Adults With Influenza A
 

Status: Not yet recruiting

Condition Summary: Influenza A H3N2; Influenza A H1N1

 

Last Updated: 16 Oct 2017

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Zoonotic Influenza Infections of Swine Origin at Ohio Agricultural Fairs
 

Status: Recruiting

Condition Summary: Influenza

 

Last Updated: 18 Oct 2017

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