| 摘要 |
PROBLEM TO BE SOLVED: To provide a system in which, a user can grasp his/her infection state before a subjective symptom occurs.SOLUTION: An update system for updating infection states of plural user comprises: user position information reception means for receiving positional information of each user's position; infection notification information reception means for receiving infection notification information which notifies of a fact that, infection of a user is determined, or, infection is emerged on a user; infection state update means for updating an infection state of each user, based on the received infection notification information and positional information of each user: and infection related information sending means for sending infection related information which indicates the updated infection state. A portable terminal device comprises: user position information acquisition means for acquiring positional information which indicates a user's position; positional information sending means for sending positional information; infection related information reception means for receiving the infection related information which indicates the infection state of each user; and infection state display means for displaying the current infection state of each user which is indicated by the infection related information.SELECTED DRAWING: Figure 1 |
