Tweet from EpiEllie at August 03, 2021 at 09:28AM

THINK LIKE AN EPIDEMIOLOGIST:

The CDC’s recent announcement that the Delta variant has an average reproductive number of 6-9 has a lot of people concerned & many are asking me about whether this means we need COVID boosters.

Let’s talk through the math of how we might decide! https://t.co/xtOcgebEIH

— Dr Ellie Murray, ScD (@EpiEllie)
Aug 3, 2021

from http://twitter.com/EpiEllie