Robert Hesse was expecting an imminent promotion to manager of Sub Zero Ice Cream, a nitrogen ice cream shop in Ventura, Calif., when it shut down in March because of the pandemic.“I like to work,” said Mr. Hesse, a college graduate who turns 26 on Tuesday. “Otherwise I feel like I’m useless.” But he has been reluctant to seek a new job because he lives with his parents, who are not yet vaccinated, and is afraid of bringing the virus home to them.“It’s just health concerns — I don’t really want to be around the general public …
