H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
WebMar 23, 2023 · Overview. The H1N1 flu, sometimes called swine flu, is a type of influenza A virus. During the 2009-10 flu season, a new H1N1 virus began causing illness in humans. It was often called swine flu and was a new combination of influenza viruses that infect pigs, birds and humans.
Influenza A virus subtype H1N1 - Wikipedia
WebIn virology, influenza A virus subtype H1N1 ( A/H1N1) is a subtype of influenza A virus. Major outbreaks of H1N1 strains in humans include the 1918 Spanish flu pandemic, the 1977 Russian flu pandemic and the 2009 swine flu pandemic.
Swine Flu (H1N1): What Is It, Causes, Treatments & Prevention
WebSwine flu (H1N1) is a type of viral infection. It’s called swine flu because it resembles a respiratory infection that pigs can get. In 2009, an H1N1 pandemic infected millions of people worldwide. Today, you can prevent H1N1 with an annual flu shot. You can treat it with rest, fluids and antiviral medications.
H1N1 Flu Virus (Swine Flu): Symptoms, Causes, Tests, and Treatments - WebMD
WebMay 16, 2023 · Cold & Flu Guide. H1N1 Flu Virus (Swine Flu) Medically Reviewed by Carmelita Swiner, MD on May 16, 2023. Written by Stephanie Watson. How Do You Catch It? Swine Flu Symptoms. Are There Tests for...
Influenza A (H1N1) outbreak - World Health Organization (WHO)
WebOverview. 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.
2009 swine flu pandemic - Wikipedia
WebThe 2009 swine flu pandemic, caused by the H1N1/swine flu/influenza virus and declared by the World Health Organization (WHO) from June 2009 to August 2010, was the third recent flu pandemic involving the H1N1 virus (the first being the 1918–1920 Spanish flu pandemic and the second being the 1977 Russian flu ).
CDC H1N1 Flu | H1N1 Flu and You - Centers for Disease Control …
WebFeb 10, 2010 · 2009 H1N1 (sometimes called “swine flu”) is a new influenza virus causing illness in people. This new virus was first detected in people in the United States in April 2009. This virus is spreading from person-to-person worldwide, probably in much the same way that regular seasonal influenza viruses spread.
Influenza A H1N1 | Symptoms, Treatment & Prevention | Britannica
Web4 days ago · Influenza A H1N1, virus that is best known for causing widespread outbreaks, including epidemics and pandemics, of acute upper or lower respiratory tract infection. The influenza A H1N1 virus is a member of the family Orthomyxoviridae (a group of RNA viruses). Type A is one of the three major types.
H1N1 Influenza - StatPearls - NCBI Bookshelf - National Center for ...
WebOct 25, 2022 · H1N1 influenza is a subtype of influenza A virus, a communicable viral illness which causes upper and in some cases lower respiratory tract infections in its host. This results in symptoms such as nasal secretions, chills, fever, decreased appetite, and in some cases, lower respiratory tract disease.
Influenza (Seasonal) - World Health Organization (WHO)
WebOct 3, 2023 · Currently circulating in humans are subtype A(H1N1) and A(H3N2) influenza viruses. The A(H1N1) is also written as A(H1N1)pdm09 as it caused the pandemic in 2009 and replaced the previous A(H1N1) virus which had circulated prior to 2009.
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