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Children are much more infectious than adults and shed virus from just before they develop symptoms until two weeks after infection. [1] [2] The transmission of influenza can be modeled mathematically, which helps predict how the virus will spread in a population. [3] Influenza can be spread in three main ways: [4] [5]
Consider over-the-counter medications to relieve flu symptoms; Consult a physician early on for best possible treatment; Remain alert for emergency warning signs [2] Warning signs are symptoms that indicate that the disease is becoming serious and needs immediate medical attention. These include: [citation needed] Difficulty breathing or ...
In 1977, H1N1 reemerged in humans, possibly after it was released from a freezer in a laboratory accident, and caused a pseudo-pandemic. [34] [77] This H1N1 strain was antigenically similar to the H1N1 strains that circulated prior to 1957. Since 1977, both H1N1 and H3N2 have circulated in humans as part of seasonal influenza. [1]
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Structure of H1N1 Virion. Main symptoms of swine flu in swine [2] The influenza virion is roughly spherical. It is an enveloped virus; the outer layer is a lipid membrane which is taken from the host cell in which the virus multiplies. Inserted into the lipid membrane are glycoprotein "spikes" of hemagglutinin (HA) and neuraminidase (NA). The ...
Influenza A virus subtype H1N1 (A/H1N1) is a subtype of influenza A virus (IAV). Some human-adapted strains of H1N1 are endemic in humans and are one cause of seasonal influenza (flu). [ 1 ] Other strains of H1N1 are endemic in pigs ( swine influenza ) and in birds ( avian influenza ). [ 2 ]
Download as PDF; Printable version; In other projects ... the free encyclopedia. Redirect page. Redirect to: Influenza A virus subtype H1N1; Retrieved from "https ...
A rapid influenza diagnostic test (RIDT) tells whether a person has a current influenza infection by detecting the influenza viral nucleoprotein antigen.Commercially available RIDTs can provide results within 30 minutes.