Vaccines were not designed to prevent transmission, only hospitalization. They can’t create mucosal antibodies.
Would that indicate that vaccinated individuals are transmitting evolved versions of the virus?
I thought previously studies have shown that delta COVID is transmissible and catchable by anybody. Thought this study said it’s all delta variant…. Shorter duration and no mention of impact on health system. Would think this is the optimum result for a non sterilizing vaccine, and I hope that that and “had COVID already” maintain this kind of protection.