Harvard Medical School Professor: ' In Israel, vaccinated individuals had 27 times higher risk of symptomatic COVID infection compared to those with natural immunity from prior COVID disease'

In Israel, vaccinated individuals had 27 times higher risk of symptomatic COVID infection compared to those with natural immunity from prior COVID disease [95%CI:13-57, adjusted for time of vaccine/disease]. No COVID deaths in either group.https://t.co/hopImCD1D0

— Martin Kulldorff (@MartinKulldorff) August 25, 2021