Pretty detailed summary.There doesn't seem to be a huge difference in efficacy against Delta between AZ and the two mRNA vaccines last time I looked.
(Lots of info always coming in though, so things can change.)
Here's How Well COVID-19 Vaccines Work Against the Delta Variant
In the fight against the Delta variant, here's how the Pfizer-BioNTech, Moderna, and Johnson & Johnson COVID-19 vaccines measure up when it comes to protection. A new study found the Moderna vaccine was 76% effective against the Delta variant, while the Pfizer vaccine was only 42% effective...





