This report compiles publicly released Chinese government data on second‑class vaccine procurement across 28 provinces, cleans it into a unified CSV format, and uses pandas and echart to reveal a highly skewed distribution dominated by a few large manufacturers while noting data gaps and collection challenges.
This article documents the collection, cleaning, and statistical analysis of publicly released second‑category vaccine procurement data from 28 Chinese provinces, highlighting data sources, processing steps with pandas, top manufacturers, regional market shares, and the challenges encountered during the effort.
The study aggregates and cleans 2017‑2020 Chinese second‑class vaccine procurement data from 28 provinces into a 1,529‑record CSV, revealing a right‑skewed distribution where a handful of manufacturers—led by Beijing Kexing and Changchun Changsheng—account for the majority of entries, while noting gaps in several regions and encouraging further collaborative refinement.
