similar to how in 2020, the asymptomatic persons were more risky (they wouldn't know they have the virus, and so spread more compared to symptomatic people who

similar to how in 2020, the asymptomatic persons were more risky (they wouldn't know they have the virus, and so spread more compared to symptomatic people who would take precautions); next the vaccinated people might be in the same category. once again comes to the spot: more vaccine coverage is needed.