Development and evaluation of serological screening based on one dried plasma spot for HIV, syphilis, and HCV.

"Declarations Ethics approval and consent to participateThe study was approved by the Ethics Review Committees of the National Center for AIDS/STD Control and Prevention, China CDC (No. X190111551) and was performed in accordance with all relevant guidelines. The request on waiver of informed consent was approved by the Ethics Review Committees of the National Center for AIDS/STD Control and Prevention, China CDC (No. X190111551). All samples were delinked from identifying patient information before testing and were not involved with personal information or privacy. Therefore, no need to sign informed consent with the consent of the participants. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no conflict of interest. Competing interests The authors declare that they have no conflict of interest."

"Funding The study was supported by the National Science and Technology Major Project of China in the 13th Five-Year (2017ZX10201101-002- 003). The funder had no role in the study design, data collection and analysis, decision to publish and preparation of the manuscript. This work also was supported by Natural Science Foundation of Shanxi Province for Youths (No. 202103021223240), Science Research Start-up Fund of Shanxi Province for Doctor (No. SD2009), Science Research Start-up Fund of Shanxi Medical University for Doctor (No.XD2014), and Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (No. 2021L217)."