# Coronavirus COVID-19 (2019-nCoV) Thread - 2021 Breaking News

**URL:** <https://boards.straightdope.com/t/coronavirus-covid-19-2019-ncov-thread-2021-breaking-news/929428>\
**Category:** The Quarantine Zone\
**Tags:** covid-quarantine\
**Created:** [January 1, 2021, 8:03am UTC](https://boards.straightdope.com/t/coronavirus-covid-19-2019-ncov-thread-2021-breaking-news/929428 "2021-01-01T08:03:30Z")\
**Posts on this page:** 1\
**Showing post:** 2600

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**Author:** ![I\_Love\_Me\_Vol.I](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/i_love_me_vol.i/32/521_2.png) [@I\_Love\_Me\_Vol.I](https://boards.straightdope.com/u/I_Love_Me_Vol.I)\
**Post date:** [September 19, 2021, 4:06pm UTC](https://boards.straightdope.com/t/coronavirus-covid-19-2019-ncov-thread-2021-breaking-news/929428/2600 "2021-09-19T16:06:43Z")

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> [@Bootb](#):
>
> Moderna has roughly 3 times the amount of the active ingredient compared to Pfizer.

If using 3 times as much active ingredient is all that’s needed to make the vaccine more effective why didn’t Pfizer do it? Heck, why didn’t they use 15 or 20 times as much active ingredient?

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