medRxiv is a preprint server for the clinical research community. It is a collaborative effort between BMJ, Yale University, and Cold Harbor Spring Laboratory. Papers may be submitted but the official launch date is June 25, 2019. More information on the policies and procedures of medRxiv is available at the medRxiv homepage. Additional content is posted on the world wide web and social media.
BMJ press release – https://www.bmj.com/content/365/bmj.l2301
Science press release – https://www.sciencemag.org/news/2019/06/medical-preprint-server-debuts
Nature press release – https://www.nature.com/articles/d41586-019-01806-2