This guide provides an overview of the major elements that must be considered before, during and after the implementation of antigen-detecting rapid diagnostic tests (Ag-RDTs) for SARS-CoV-2. This guide is complementary to policy guidance issued by the World Health Organization (WHO). The guide may appeal to a range of audiences including Ministries of Health, donors, public and private organizations/agencies acting as implementing partners and community based and civil society organizations with experience working on health, especially organizations familiar with similar testing campaigns for other disease programmes like HIV and malaria