The scientific community's understanding of how the coronavirus disease (COVID-19) spreads is evolving. This COVID-19 Clearinghouse was established as a central resource for construction employers and workers to find the latest research, guidance documents, training and other resources to help prevent the spread of the disease as construction work continues in some markets and starts up in others. The information posted is accurate as of the date posted. Every effort will be made to include only the latest information, however, since the situation is evolving, please let us know if more timely information is available.