A Japanese doctor and expert on evacuation shelters has warned that good ventilation and ensuring that people do not cluster together are key to preventing the spread of the coronavirus in the event of a natural disaster.Kazuhiko Hanzawa, a specially appointed professor at Niigata University and president of the Society for Disaster Shelter and Refuge Life, made the comments in the wake of a magnitude 5.5 earthquake that shook central Japan early Friday."There are many cases where community centers (which are often turned into evacuation shelters) do not have ventilation fans and are struct…READ FULL ARTICLE