# Coronavirus general discussion and chit-chat **URL:** \ **Category:** The Quarantine Zone\ **Tags:** covid-quarantine\ **Created:** [August 12, 2020, 5:29pm UTC](https://boards.straightdope.com/t/coronavirus-general-discussion-and-chit-chat/917903 "2020-08-12T17:29:38Z")\ **Posts on this page:** 1\ **Showing post:** 1206
**Author:** ![eschrodinger](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/eschrodinger/32/122_2.png) [@eschrodinger](https://boards.straightdope.com/u/eschrodinger)\ **Post date:** [December 8, 2021, 10:02pm UTC](https://boards.straightdope.com/t/coronavirus-general-discussion-and-chit-chat/917903/1206 "2021-12-08T22:02:15Z")
> [@Coronavirus COVID-19 (2019-nCoV) Thread - 2021 Breaking News](https://boards.straightdope.com/t/coronavirus-covid-19-2019-ncov-thread-2021-breaking-news/929428/3228): > > Moderna and Pfizer are being used for the boosters and the general thought is that AZ gives really good long term T-cell protection for pretty much any variant and the RNA vaccine as a booster gives good neutralising antibodies. As I mentioned in the other thread, I’d like to take a look at what this is based on, if you have a link. As I understand it, Oxford/AZ is only about 60% effective against delta. I don’t see why one would assume it would give really good protection against an even more mutated variant that has shown some evasion of more effective vaccines. --- _[View the full topic](https://boards.straightdope.com/t/coronavirus-general-discussion-and-chit-chat/917903)._