“The idea really is to just take living yeast, which are what makes beer, and put a vaccine inside the living yeast. And by ...

The experimental approach, drawing on decades of research into edible vaccines, uses engineered brewer’s yeast to deliver viral antigens and was developed outside traditional clinical trials.

Christopher Buck is fermenting a vaccine in his kitchen. You can too. Specifically, Buck brews and quaffs a hazy beer that induces immunity against the BK virus, also known as human polyomavirus. Buck ...