Anti-Toxoplasma gondii antibodies as a risk factor for the prevalence and severity of systemic lupus erythematosus.

"Declarations Ethics approval and consent to participateThe studies involving human participants were reviewed and approved by the Medical Ethical Committee of the Peking University People’s Hospital. Written informed consent to participate in this study was provided by the participants or by the participants’ legal guardian. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by the National Natural Science Foundation of China (Grant 32200079, 32070121 and 32141004), the ‘111 project’ (B16021), Guangzhou Key Laboratory for Germ-free Animals and Microbiota Application (202201020381), 2023 Zhuhai Social Development Science and Technology Plan Project (2320004000047), Key Projects of the Clinical Research Improvement Plan of Zhuhai People’s Hospital (202201020381) and the internal science funding of the Qingyuan People’s Hospital."