Vaccination with a bacterial peptide conjugated to SARS-CoV-2 receptor-binding domain accelerates immunity and protects against COVID-19 oleh Athanasios Blanas, Haiko Karsjens, Aafke de Ligt, Elisabeth J.M. Huijbers, Karlijn van Loon, Stepan S. Denisov, Canan Durukan, Diederik J.M. Engbersen, Jan Groen, Sven Hennig, Tilman M. Hackeng, Judy R. van Beijnum, Arjan W. Griffioen