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The Chengdu–Chongqing Economic Circle (CCEC) is the focus of this survey data. It contains 110 valid questionnaire responses from eight grassroots Centers for Disease Control and Prevention (CDCs), analyzing 13 secondary needs across 4 primary categories. The dataset was created by Yang Tong and last updated in April 2026.
Data is in XLS (Excel) format, requiring compatible software to open.