COVID Odyssey: Winter Windup 6 ~ COVID-19 Delta Variant 2021 ~ Does Ro = 12?

We look at the how many people one person with the Delta variant of COVID-19 may infect on average in 2021. By definition we let: r denote the effective Reproduction rate of COVID-19 for one day Ro (R0; R-Zero; R-Nought) denote the Reproduction number for COVID-19 without any quarantine or isolation Re denote the effective Reproduction number for COVID-19 (Re assumes isolation/quarantine is…