and i still havent been given an explanation why I'm just guessing, but an obvious reason would be because the vaccines were not as effective against the new v

and i still havent been given an explanation why I'm just guessing, but an obvious reason would be because the vaccines were not as effective against the new variants? As in, while the vaccines still protected the vaccinated person, they did not effectively prevent spread of the disease, so other ways to do so remained relevant...