Illness e-Diary responses illustrate COVID-19 disease attenuation in AZD1222 vaccinees
ASYMPTOMATIC SARS-COV-2 INFECTION
Participant illness e-Diary responses illustrated that vaccinees had an overall lower incidence of COVID-19 symptoms compared with placebo recipients (AZD1222 vaccinees had an overall lower incidence and shorter duration of COVID-19 symptoms compared with placebo recipients upon symptomatic SARS-CoV-2 infection. 