# Early, but growing evidence vaccines less effective against Delta

**URL:** https://boards.straightdope.com/t/early-but-growing-evidence-vaccines-less-effective-against-delta/945775
**Category:** The Quarantine Zone
**Tags:** covid-quarantine
**Created:** [July 6, 2021, 12:21am UTC](https://boards.straightdope.com/t/early-but-growing-evidence-vaccines-less-effective-against-delta/945775 "2021-07-06T00:21:59Z")
**Posts on this page:** 1
**Showing post:** 95

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### Author: ![Tfletch1](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/tfletch1/32/5340_2.png) [@Tfletch1](https://boards.straightdope.com/u/Tfletch1)
#### Post date: [August 22, 2021, 8:29pm UTC](https://boards.straightdope.com/t/early-but-growing-evidence-vaccines-less-effective-against-delta/945775/95 "2021-08-22T20:29:52Z")

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Israel says two doses still works. Unvaccinated seniors are 10X more likely to get serious covid than their vaccinated counterparts.

This article says that the booster is working to prevent infection but I don’t see any details on that.

> **[Explained: Why Israel went for the booster shot, and is it working](https://www.haaretz.com/israel-news/2021-09-11/ty-article/u-s-prepares-for-covid-booster-shots-what-it-can-learn-from-israel/0000017f-dc13-df62-a9ff-dcd759430000)**
>
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