When a plague swept 14th-century Florence, killing more than half the city’s population, wealthy Italians turned to social distancing. One small group’s retreat from a stricken city to a deserted villa became the backdrop for the classic novel “The Decameron.” That novel is just one of the texts Rebecca Messbarger teaches in her Disease, Madness and Death Italian Style course at Washington University. But it has sudden resonance, she says — and relevance she never anticipated when she began teaching it a year ago.
