Could intranasal delivery improve COVID-19 vaccines?
By Daisy Adamson The COVID-19 pandemic resulted in the rollout of multiple effective vaccines including the Pfizer-BioNTech (BNT162b2) & Moderna (mRNA-1273) messenger RNA (mRNA) -based vaccines, and the Oxford/AstraZeneca (ChAdOx1 nCoV-19) & Janssen (Ad26.COV2.S) adenoviral vectored vaccines (1). The mRNA…