1. Why are annual recommendations for influenza vaccine composition necessary? Why is the flu vaccine needed every year?
The influenza virus in humans is subjected to inner structural changes thus changing their strains from time to time. This explains the need to be vaccinated on a yearly basis. This process is being regulated by the [...]
"Education is a companion which no misfortune can depress, no crime can destroy, no enemy can alienate, no despotism can enslave. At home, a friend, abroad, an introduction, in solitude a solace and in society an ornament. It chastens vice, it guides virtue, it gives at once grace and government to genius. Without it, what is man? A splendid slave, a reasoning savage."
- Joseph Addison
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