“

When the vaccines initially became available, the ability to prevent symptomatic disease was over 90% so people choosing not to be vaccinated were largely responsible for viral transmission. This is no longer the case, vaccinated, and even boosted individuals are getting infected with the highly contagious variant and transmitting it to others as the ability to prevent symptomatic illness has dropped below 30% and the immediate protection of the booster is short-lived. There is no level of boosting that will fully prevent symptomatic illness and subsequent transmission.