A new approach to a Covid-19 nasal vaccine shows early promise | CNN

this is gonna sound crazy but I'm thinking maybe this vaccine isn't what it seems 🤔, like, what's really going on here? we're already dealing with so many variants and new strains popping up left and right... why would scientists go with a weakened form of the virus in the first place? doesn't that just delay the inevitable? or is there something more to this than meets the eye? 🤑
 
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