Fig. 1: Participant disposition flow chart.

BNT-IM Intramuscular tozinameran vaccine, Ad5-nCoV-IH Recombinant Covid-19 Vaccine (Adenovirus Type 5 Vector) for Inhalation.

BNT-IM Intramuscular tozinameran vaccine, Ad5-nCoV-IH Recombinant Covid-19 Vaccine (Adenovirus Type 5 Vector) for Inhalation.