From a Europe PMC Blog Post:
In a new project, supported by Wellcome in partnership with the UK Medical Research Council (MRC) and the Swiss National Science Foundation (SNSF), we will make the full text of COVID-19 preprints available on Europe PMC, a large and sustainable life sciences archive, for reading and reuse via a standard XML format, alongside peer reviewed full text articles.
In the coming weeks and months, we will be engaging with preprint servers and preprint authors to make as many COVID-19 preprints as possible available for reading and reuse via Europe PMC. If you are the corresponding author on a preprint on SARS-CoV-2 or COVID-19, published on one of the major preprint platforms, we will soon be asking you to review the Europe PMC version of your work.
Europe PMC has been indexing preprint abstracts since 2018 and has the experience in managing full text workflows at large scale. A total of approximately 150K preprint abstracts currently sit among all of PubMed (31M abstracts) and 6M full text articles shared with PMC in the USA. These are XML-based workflows based on international standards (JATS). Europe PMC has played a leading role in preprint community standards development and has hands-on expertise in publication workflows that include versions across multiple sources with diverse approaches.