by Chiara T. Ricciardone The Occupy movement is a virus. That is obvious. But the metaphor veers disturbingly into the real—exhibiting the virus’ trademark capacity for metalepsis and contagion—when we think of the lurid stories that broke out in November: “Zucotti lung” at OWS, the deadly canine parvovirus over the bridge at OccupySF. The evictions…