Researchers outside medicine have a new focus: Covid-19

Researchers who never dreamed they would be working on responses to a deadly pandemic are redirecting their expertise to the global effort to understand and contain Covid-19. … An algorithm tuned to air pollution is being repurposed to track social distancing. A team at the University of California, Irvine, is researching whether components from Blu-ray video players can be used as ultraviolet lasers to disinfect surfaces.