This impresses me as a far safer approach though I do not want the spike protein injected in any form, using the capsid protein makes more sense, both because it is less variable and because it doesn't have to enter your cells to get expressed, thus you get protection before infection rather than after.
A new COVID-19 vaccine based on a different platform than current vaccines on the market has been tested in humans for the first time by researchers at Radboud university medical center.
Science X (Medical Xpress)
