From: Delivering COVID-19 vaccine trials at speed: the implementation of a phase IV UK multi-centre randomised controlled trial to determine safety and immunogenicity of COVID-19 vaccines co-administered with seasonal influenza vaccines (ComFluCOV)
Influenza vaccines
Recruitment numbers per cohort
COVID-19 vaccines
ChAdOx1
BNT162b2
Trivalent, MF59C adjuvanted (65 years and over)
146
79
Cellular quadrivalent (under 65 years)
129
139
Recombinant quadrivalent (under 65 years)
128
58