The changes of different restriction level adjustments on antibiotic use in China.

"Declarations Funding: This work was supported by the National Natural Science Foundation of China award (81973294 and 81861138048), and the Medical Research Council and Newton Fund through a UK-China AMR Partnership Hub award (MR/S013717/1). The funders were not involved in the design of the study; the collection, analysis, and interpretation of data; or the writing of the manuscript. Competing interests: The authors declare no competing interests. Ethical approval: Not required. Sequence information: Not applicable. Acknowledgements: X.G., L.S., and B.Z. conceived the study. All authors acquired the data. K.D. and T.H. analysed the data; Y.Z., L.H., and YY.Y. interpreted the findings. K.D. and H.W. wrote the first draft of the manuscript. H.W. and X.G. drafted subsequent versions. All authors critically reviewed this report and approved the final version. All authors have read and agreed to the published version of the study. Competing interests : The authors declare no competing interests."

"Funding : This work was supported by the National Natural Science Foundation of China award (81973294 and 81861138048), and the Medical Research Council and Newton Fund through a UK-China AMR Partnership Hub award (MR/S013717/1). The funders were not involved in the design of the study; the collection, analysis, and interpretation of data; or the writing of the manuscript."