COST introduced two new virtual grants, see section 10 of the  http://www.cost.eu/Vademecum

1. Virtual Networking Support (VNS) Grants
These grants aim at promoting virtual collaboration as a complement to traditional ways of collaboration within the research and innovation communities. This mechanism intends to stimulate virtual collaboration among the members of a given Action.

2. Virtual Mobility (VM) Grants
These grants aim at strengthening the existing networks by allowing scientists to foster collaboration in a virtual setting, to exchange knowledge, learn new techniques, disseminate the Action results, etc.