2 ms·
The AstraZenica and Johnson and Johnson vaccines both use a relatively novel delivery mechanism (a couple viral vector Ebola vaccines were approved in 2019-2020
by maxerickson 4y ago
The AstraZenica and Johnson and Johnson vaccines both use a relatively novel delivery mechanism (a couple viral vector Ebola vaccines were approved in 2019-2020).
The Novavax subunit vaccine is at least an older approach, but assembling the protein fragments onto a particle is a new thing.