I have a friend who is anti mRNA vaccines as they are so new.

Are they?

  • SandLight@lemmy.world
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    10 months ago

    Herd immunity only works if the herd is immune. If only a portion of the herd is immune, the rest of the herd will spread disease.

    It requires a critical mass to work, and it protects those who can not get the vaccine for medical reasons (like allergic reactions, etc.)

    • Nollij@sopuli.xyz
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      10 months ago

      It also only works if the herd remains immune. We are now seeing a return of diseases that had previously been eliminated (not eradicated), due to a decline in vaccinations. Examples include measles and whooping cough.