Yes. Hopefully, vaccines confer the same immunity as exposure during youth. Based on their efficacy, it seems they’re quite close, at least for current strains—

Yes. Hopefully, vaccines confer the same immunity as exposure during youth. Based on their efficacy, it seems they’re quite close, at least for current strains—even with delta, the overwhelming majority of breakthrough cases are benign or totally asymptomatic, just like with a common cold.