ontrol the display of infection level, cases and commnities icon
      new L.control.layers(baseLayers, {
        "Infection Level": areas,
        "Infection Case(s) &nbsp;&nbsp; <i class='fas fa-users' style='color: #dc3545;'></i>": cases
        //"Infected Community &nbsp;&nbsp; <i class='fas fa-procedures' style='color: #dc3545;'></i>": communities
      }, {
        collapsed: false
      }).addTo(mymap);

      //when click on the tag with "hint" class, the info panel will display global information
