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D04536. Influenza vaccines, colloquially known as flu shots, are vaccines that protect against infection by influenza viruses. [ 14][ 15] New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. [ 14] While their effectiveness varies from year to year, most provide modest to high protection against ...
A universal flu vaccine would be a flu vaccine effective against all human -adapted strains of influenza A and influenza B regardless of the virus sub type, or any antigenic drift or antigenic shift. [1] [2] [3] [page needed] Hence it should not require modification from year to year in order to keep up with changes in the influenza virus.
Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
The following are list of bioCSL flu vaccine brands: [ 31] Trivalent. Afluria, also marketed as Enzira, Fluvax, and Nilgrip in various different markets. Agrippal, also marketed as Begripal, Fluazur, Sandovac, Agriflu, and Chiroflu in various different markets. Fluad, [ 32][ 1] also marketed as Chiromas in Spain.
The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 subtype of the influenza A virus. The earliest documented case was March 1918 in the state of Kansas in the United States, with further cases recorded in France ...
This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines.In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives throughout history.
The following is a list of WHO recommended strains for the Northern Hemisphere influenza season. Starting in the 2012–2013 season, the recommendation shifted to include the composition of a quadrivalent influenza vaccine (QIV) that contains both influenza B lineages, alongside a trivalent influenza vaccine (TIV) containing one influenza B lineage.
Influenza C virus is the only species in the genus Gammainfluenzavirus, in the virus family Orthomyxoviridae, which like other influenza viruses, causes influenza. Influenza C viruses are known to infect humans and pigs. [1] Flu due to the Type C species is rare compared with Types B or A, but can be severe and can cause local epidemics.
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