Which department does the elderly living alone in Shenzhen look for when they are sick?

Old people living alone in Shenzhen go to neighborhood committees when they are sick. Is the lonely old sick in the street where the lonely old account is located or in the neighborhood Committee where the lonely old live? Relevant information: According to the relevant laws and regulations in China, the elderly are managed by the neighborhood committees, villagers' committees or guardian's neighborhood committees designated by the civil affairs department of the ward's domicile.