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The more people who are immune in a "herd", the less likely anyone in the herd is to contact anyone who is infected--the less the disease spreads. You're protected by the immunity of ppl around you. Herd immunity is a key reason why vaccines are so powerful. 2/
Unofficial archive, not affiliated with Abdul El-Sayed or X Corp. Rebuilt from a Wayback Machine capture; counts are as of that capture.