However, since most humans got undulant fever by consuming unpasteurized milk, with the advent of wide-spread pasteurization, the human health threat has largely been dissipated.
This woman is presumed to have received the infection from consuming some infected foodstuffs (possibly raspberries) that were not thoroughly washed before consumption.
As the article explains, people of the future wouldn't just be consuming products made from pulp, but also from used table linen and old rayon underwear.
A number of animals consume different psychoactive plants, animals, berries and even fermented fruit, becoming intoxicated, such as cats after consuming catnip.