After a passenger infected with the novel coronavirus boarded the Diamond Princess cruise ship in January, the virus quickly spread, eventually infecting at least 712 and killing seven. Critics labeled the ship quarantined in Yokohama a floating petri dish, and at least one Japanese expert attributed the explosion of cases to food trays passed out by infected crew. Could robots have made a difference? As countries around the world grapple with COVID-19, front line medical workers are deploying robots, telemedicine and other technologies to help contain the pandemic. China and Spain have used drones to monitor people during lockdown campaigns, while South Korea has deployed them to help disinfect areas in Daegu, an epidemic hotspot.