Table 2.

Four key characteristics and essential functions of the Shanghai Solution.

Key characteristics	Objective	Specific meaning
Overall coordination	To ensure the smooth coordination of all organizations and the standardized and orderly distribution of materials.	Supported by the Shanghai Municipal Commission of Commerce and the Shanghai Civil Affairs Bureau, the working team of material allocation covered 16 districts, 232 streets and 6,028 neighborhood communities, which also established close cooperative relations with some supply enterprises and designated pharmacies.
Community-centered intervention	To understand, convey and satisfy vulnerable groups' needs timely and quickly.	The main process of demand information collection, placing orders collectively, receiving and distributing materials should be completed by communities.
Technical support	To ensure the transparency and traceability of material allocation.	All the supply process could be monitored visually, real-time and dynamically.