A survey on the current status of Helicobacter pylori infection in households in Hainan Province, China.

"Declarations Ethics approval and consent to participateThis study was conducted in strict accordance with the Declaration of Helsinki. All subjects received informed consent and signed informed consent forms. Meanwhile, the Ethics Committee of Haikou People's Hospital approved the study. For minors, we have obtained the informed consent of their guardians. This study was registered with the China Clinical Trials Registry (www.chictr.org.cn; registration number: ChiCTR2100051229). Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This project was supported by Health Industry Research Projects of Hainan Province (20A200456), Natural Science Foundation of Hainan Province (823RC603) and Health Industry Research Projects of Hainan Province (22A200319)."

"Declarations: Ethics approval and consent to participateThis study was conducted in strict accordance with the Declaration of Helsinki. All subjects received informed consent and signed informed consent forms. Meanwhile, the Ethics Committee of Haikou People's Hospital approved the study. For minors, we have obtained the informed consent of their guardians. This study was registered with the China Clinical Trials Registry (www.chictr.org.cn; registration number: ChiCTR2100051229).: Consent for publicationNot applicable.: Competing interestsThe authors declare no competing interests. Ethics approval and consent to participate: This study was conducted in strict accordance with the Declaration of Helsinki. All subjects received informed consent and signed informed consent forms. Meanwhile, the Ethics Committee of Haikou People's Hospital approved the study. For minors, we have obtained the informed consent of their guardians. This study was registered with the China Clinical Trials Registry (www.chictr.org.cn; registration number: ChiCTR2100051229)."