Preventative of what? Serious disease? - The same/similar (though studies have shown this declines within 6 months). Op is correct. Catching/Transmission? -

Preventative of what? Serious disease? - The same/similar (though studies have shown this declines within 6 months). Op is correct. Catching/Transmission? - The current vaccines are systemic and not mucosal, so they don't stop it infecting the upper respiratory tract. - A recent study shows fully-vaccinated households can spread at similar rates to unvaccinated households [1] [1] https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(21)00648-4/fulltext https://www.thelancet.com/journals/laninf/article/PIIS1473-3...