The VRM is a module of policies and protocols that sets the industry standard for optimizing buildings in response to the broad health impacts of infectious respiratory diseases in light of the COVID-19 pandemic. This differs from a Fitwel Certification, which has a broader focus on optimizing overall health within a building or larger-scale project. There are two pathways to a VRM certification. One is titled the "Viral Response Certification," which is a completion of entity-wide — or corporate — policies and practices, and the other is called the "Viral Response Approval," which is when the VRM is applied on an asset level. While the Fitwel building and site certifications require recertification after three years, the VRM requires recertification after one year.