I'm not sure if I believe in this whole concept of nasal vaccines yet
... I mean, they're showing promising results in hamster studies, but are we really ready for a vaccine that can literally shut down an infection at its first foothold in the body?
That sounds like science fiction to me.
But at the same time, I know we've been trying everything and nothing is working right now...
We need something that can actually make a difference, especially with all the cases still happening. And if this approach really does boost mucosal immunity and prevent the spread of Covid-19, then maybe it's worth looking into further.
I just wish we could get more info on these vaccines before we start celebrating
... I mean, what are the risks? Are they safe? How long do they last? We can't just jump into this without knowing more. And what about the production costs? Can we really make this one affordably?
Umm, wait a minute... maybe I'm just being too cautious
... Maybe this is the future of vaccine technology and we should be excited about it! 
But at the same time, I know we've been trying everything and nothing is working right now...
I just wish we could get more info on these vaccines before we start celebrating
Umm, wait a minute... maybe I'm just being too cautious