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UK Health Security Agency on Twitter: "People who became infected with #COVID19 three weeks after receiving one dose of the Pfizer-BioNTech or AstraZeneca #vaccine were 38-49% less likely to pass the virus
Delta Variant, Waning Immunity Reduced Pfizer Vaccine's Effectiveness Against Household Transmission < Yale School of Public Health
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Community transmission and viral load kinetics of the SARS-CoV-2 delta (B.1.617.2) variant in vaccinated and unvaccinated individuals in the UK: a prospective, longitudinal, cohort study - The Lancet Infectious Diseases
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