Influenza vaccination
Influenza Vaccination
Influenza vaccination, also known as the flu shot or flu vaccine (pronounced: /ˈɪn.flu.ˌen.zə vaksɪˈneɪʃən/), is a vaccine that protects against infection by Influenza viruses. The name "influenza" is derived from the Italian word "influenza," meaning "influence."
History
The first Influenza vaccine was developed in the 1930s, with the first large-scale vaccination programs occurring during World War II. The development and distribution of the influenza vaccine have since become an annual public health effort, particularly in the developed world.
Types of Vaccines
There are three types of influenza vaccines: inactivated vaccines (IIV), recombinant vaccines (RIV), and live attenuated influenza vaccine (LAIV). Each type is designed to stimulate an immune response to a specific strain or strains of influenza virus.
Effectiveness
The effectiveness of the influenza vaccine varies from year to year, depending on the match between the vaccine strains and the circulating strains. Despite this variability, vaccination remains the most effective method of preventing influenza and its complications.
Side Effects
Common side effects of the influenza vaccine include soreness at the injection site, low-grade fever, and muscle aches. Serious side effects are rare.
Related Terms
External links
- Medical encyclopedia article on Influenza vaccination
- Wikipedia's article - Influenza vaccination
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