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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.
The influenza vaccine is indicated for active immunization for the prevention of influenza disease caused by influenza virus subtypes A and type B contained in the vaccine. [ 73 ] [ 74 ] [ 75 ] The US Centers for Disease Control and Prevention (CDC) recommends the flu vaccine as the best way to protect people against the flu and prevent its ...
A high-dose vaccine (Fluzone High-Dose) four times the strength of standard flu vaccine was approved by the FDA in 2009. [22] [23] [24] This vaccine is intended for people 65 and over, who typically have weakened immune response due to normal aging. The vaccine produces a greater immune response than standard vaccine.
Monovalent type A influenza vaccines are generally indicated during the pandemic or the flu for everyone without contraindications. According to the Advisory Committee on Immunization Practices (ACIP) under the Centre for Disease Control and Prevention (CDC), people aged above 10 are recommended to take one dose of H1N1 vaccine while those who are 6 months to 9 years old should be injected ...
The Global Influenza Surveillance and Response System (GISRS) is a global network of laboratories that has the purpose to monitor the spread of influenza with the aim to provide the World Health Organization with influenza control information. [1] It was established in 1952 to conduct global influenza surveillance and to inform vaccine ...
An mRNA vaccine (or RNA vaccine) is a novel type of vaccine which is composed of the nucleic acid RNA, packaged within a vector such as lipid nanoparticles. [69] Among the COVID-19 vaccines are a number of RNA vaccines to combat the COVID-19 pandemic and some have been approved or have received emergency use authorization in some countries.
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.
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