It can't get any simpler.
On Feb. 11, the World Health Organization indicated the AZD1222 vaccine efficacy of 63.09% against the development of symptomatic SARS-CoV-2 infection. The conclusions of the Chau paper support the warnings by leading medical experts that the partial, non-sterilizing immunity from the three notoriously “leaky” COVID-19 vaccines allow carriage of 251 times the viral load of SARS-CoV-2 as compared to samples from the pre-vaccination era in 2020.
Why is this so hard for you?
I bet if you took off your Fauci kneepads you could figure it out.
From. The. Paper.
“Viral loads of breakthrough Delta variant infection cases were 251 times higher than those of cases infected with old strains detected between March-April 2020.”