Tweet of the day: Protection against severe COVID-19 disease by the Pfizer vaccine is durable

 David Juurlink put over a point that the pundit was trying to make in a recent conversation with friends:

The full scientific article is linked here

It's like this in the abstract:

Our results provide support for high effectiveness of BNT162b2 against hospital admissions up until around 6 months after being fully vaccinated, even in the face of widespread dissemination of the delta variant. Reduction in vaccine effectiveness against SARS-CoV-2 infections over time is probably primarily due to waning immunity with time rather than the delta variant escaping vaccine protection