Coronavirus came for Americans’ hamburgers in early May.On May 5, the fast-food chain Wendy’s announced that some menu items were unavailable; an analyst estimated that nearly one in five Wendy’s franchises was out of beef.That followed news that some meat processing plants across the U.S. had temporarily closed due to coronavirus.That’s because meatpacking and food-processing workers are getting sick and some are dying from COVID-19.Some