Analysis of Insurance Coverage for Adverse Reactions Following Immunizations in Banan District of Chongqing, 2019–2023

Objective: This study analyzes the application of compensation for adverse reactions following immunizations in Banan District, Chongqing. Methods: Compensation cases for adverse reactions following immunizations from 2019 to 2023 were collected and subjected to descriptive epidemiological analysis. Results: The coverage rate of supplementary insurance was relatively low, at only 3.78%, with a higher coverage rate of 12.94% for children under 12 months. A total of 684 cases were compensated, with a total compensation amount of 1.21091 million yuan, averaging 11.55 thousand yuan per case. Of these, one case received basic insurance compensation, amounting to 80 yuan. Basic and supplementary insurance compensated 1 case and 683 cases, respectively, with average compensations of 80 yuan and 11.47 thousand yuan per case. In the compensation insurance, the male-to-female ratio was 1.5:1 (413/270), and 55.5% of the cases were for children under 1 year old. The number of PPCV13, DTaP, and HepB cases was 14.9%, 12.6%, and 10.7%, respectively. Fever, upper respiratory tract infection, and pneumonia cases accounted for 31.2%, 28.8%, and 23.0% of cases, respectively, with total compensation amounts accounting for 22.4%, 18.8%, and 46.3% of the total compensation. Additionally, 96.5% of the compensation was paid within 30 days after the appraisal conclusion. Conclusion: The scope and efficiency of compensation for adverse reactions following immunization insurance have significantly improved in Banan District, Chongqing. It is necessary to continue promoting the compensation work for adverse reactions following immunization insurance.