Worth noting that when you break down the data into age groups the efficacy is substantially higher than that overall number, since the vaccinated population sk

Worth noting that when you break down the data into age groups the efficacy is substantially higher than that overall number, since the vaccinated population skews older. An example of Simpson's paradox. Good explanation here: https://www.covid-datascience.com/post/israeli-data-how-can-efficacy-vs-severe-disease-be-strong-when-60-of-hospitalized-are-vaccinated https://www.covid-datascience.com/post/israeli-data-how-can-...