COVID‐19 vaccination with BNT162b2 and ChAdOx1 vaccines has the potential to induce nasal neutralizing antibodies. Issue 1 (29th September 2021) - Declercq, Jozefien; Tobback, Els; Vanhee, Stijn; De Ruyck, Natalie; Gerlo, Sarah; Gevaert, Philippe; Vandekerckhove, Linos