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Influenza vaccines, colloquially known as flu shots [28] or the flu jab, [29] are vaccines that protect against infection by influenza viruses. [ 30 ] [ 31 ] New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. [ 30 ]
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.
Live attenuated influenza vaccine (LAIV) is a type of influenza vaccine in the form of a nasal spray that is recommended for the prevention of influenza. [2] [7]It is an attenuated live vaccine, unlike other influenza vaccines, which are inactivated vaccines.
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Here's everything you need to know about how to get a flu shot, what to expect after getting it and whether or not you should get all three vaccines to protect against the "tripledemic"(the flu ...
Here's what you need to know about flu shots and when to get them, based on the latest information from the U.S. Centers for Disease Control and Prevention. ... all with long, complicated names ...
Yes, you should get a flu shot. Here's everything you need to know before getting it, including when to get it, how long it lasts and potential side effects. Yes, you should get a flu shot. ...
In another randomized clinical trial conducted in 2014- 2015, the effectiveness of the recombinant vaccine and egg-based inactivated flu vaccine was compared in a population aged 50 or above. In contrast with the egg-based vaccine, the recombinant flu vaccine significantly reduced the risk of influenza-like illness by 30%. [13]