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Moostache

(11,133 posts)
3. The annual flu vaccine is usually because they guess at the most likely strains to break out...
Fri Jul 17, 2020, 11:32 AM
Jul 2020

The flu has many strains that come and go in waves and I am not 100% versed on the outbreaks and mechanisms that drive it, but I do know that the vaccine is an annual "best guess".

If COVID-19 mutates (which is 100% certain) and becomes something even worse, we would be truly finished as collective society.

This looks like a facinating read on the subject: https://www.cdc.gov/flu/prevent/how-fluvaccine-made.htm

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