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In 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. It is an orthomyxovirus that contains the glycoproteins hemagglutinin (H) and neuraminidase (N), antigens whose ...
The main classes of antiviral drugs used against influenza are neuraminidase inhibitors, such as zanamivir and oseltamivir, polymerase acidic endonuclease inhibitors such as baloxavir marboxil, or inhibitors of the viral M2 protein, such as amantadine and rimantadine. These drugs can reduce the severity of symptoms if taken soon after infection ...
El Influenzavirus A subtipo H2N2 es un a especie de influenzavirus tipo A del virus de la gripe, perteneciente a la familia Orthomyxoviridae . El virus H2N2 ha mutado a lo largo del tiempo y ha dado lugar a varios serotipos que pueden afectar tanto a personas como a aves. Se sospecha que este virus fue el causante de la pandemia de 1889 ...
En algunas personas, el COVID-19 puede causar una enfermedad más grave que la influenza. En relación con las personas con influenza, los síntomas de las personas infectadas con COVID-19 pueden tardar más en aparecer y pueden ser contagiosos por períodos más prolongados. No es posible diferenciar la influenza del COVID-19 solo observando ...
We know now that influenza, or flu, is caused by a virus – but for many years it was thought to be caused by a bacterial infection. In 1892, German scientist Richard Pfeiffer isolated a small bacterium from the noses of patients with flu, naming it ‘bacillus influenzae’.
10 de ene. de 2024 · Causes. Influenza is caused by viruses. These viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks. You can inhale the droplets directly. Or you can pick up the germs from touching an object, such as a computer keyboard, and then touching your eyes, nose or mouth.
Influenssa leviää ilmateitse pisaratartuntana. Mikropisarat, jotka syntyvät esimerkiksi aivastaessa tai yskiessä, levittävät viruspartikkeleita tehokkaasti hengitysteiden kautta elimistöön. Tartunnan voi saada myös koskettamalla pintoja, kuten ovenkahvoja, joille infektoituneita pisaroita on päätynyt.
