Tweet from EricTopol at October 04, 2021 at 03:30PM

Is it time from vaccination or Delta that drives waning of 💉effectiveness?
New @TheLancet study ~3.4 million @Pfizer vaccinated individuals @KPSCalResearch, with a subgroup of their #SARSCoV2 sequenced, shows persistent waning of effectiveness vs infections across variants /1 https://t.co/H8a4qCnbI2

— Eric Topol (@EricTopol)
Oct 4, 2021

from http://twitter.com/EricTopol