Immunogenicity and Safety of a Booster Vaccination With a Recombinant Protein RBD Candidate Vaccine Against SARS-CoV-2 in Healthy Adults Volunteers Fully Vaccinated Followed by an Extension Period to Study a Fourth Dose Administration.
Conditions
- COVID-19
- SARS-CoV-2 Acute Respiratory Disease
Interventions
- BIOLOGICAL: COVID-19 Vaccine HIPRA
- BIOLOGICAL: Cominarty (Pfizer-BioNtech)
Sponsor
Hipra Scientific, S.L.U
Collaborators