GRAd-COV2 vaccine provides potent and durable humoral and cellular immunity to SARS-CoV-2 in randomised placebo-controlled phase 2 trial (COVITAR)
· GRAd-COV2 vaccine based on a recently developed group C gorilla adenoviral vector
· Phase 2 trial confirms favorable safety profile for single and double dose regimens
· SARS-CoV-2 binding/neutralizing Ab boosted by homologous or heterologous vaccine
· Potent, VOC cross-reactive, functional and durable CD4 and CD8 T cell responses
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