Evidence mounts that people with breakthrough infections can spread Delta easily.

Evidence mounts that people with breakthrough infections can spread Delta easily – National Geographic

Original study: Shedding of Infectious SARS-CoV-2 Despite Vaccination when the Delta Variant is Prevalent – Wisconsin, July 2021 – medRxiv

Commentary on Twitter

The evidence that supports Delta breakthrough infections ability to spread (and why fully vaccinated people need to ? up)https://t.co/27NOf6mYCM @NatGeo by @Ecquis w/ studies and input by @GuptaR_lab and @KasenRiemersma

— Eric Topol (@EricTopol) August 20, 2021