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[deleted] t1_jdiy83h wrote

Reply to comment by PHealthy in What happened to the old COVID variants, like Delta? Could they come back? by number1dork

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dannymurz t1_jdj0pjq wrote

Transmission wasn't halted because the vaccine doesn't produce great mucosal immunity since so the virus easily and quickly replicates and is able to be spread, vaccine does great against more moderate and severe disease, which takes days and weeks to develop.

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StickySnacks t1_jdjb3s6 wrote

What are the chances the vaccine is actually ineffective?

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