Vaccinated and unvaccinated individuals have similar viral loads in communities with a high prevalence of the SARS-CoV-2 delta variant https://www.medrxiv.org/content/10.1101/2021.07.31.21261387v...
Covid-19: Fully vaccinated people can carry as much delta virus as unvaccinated people, data indicate https://www.bmj.com/content/374/bmj.n2074
No Significant Difference in Viral Load Between Vaccinated and Unvaccinated, Asymptomatic and Symptomatic Groups Infected with SARS-CoV-2 Delta Variant https://www.medrxiv.org/content/10.1101/2021.09.28.21264262v...