IEEE realizes that many IEEE Xplore users may be directly or indirectly engaged in the global fight against COVID-19. To help researchers understand and manage the COVID-19 pandemic, IEEE has identified a collection of articles that may help such efforts. The collection is completely free to access for the duration of the crisis with additional reuse rights including text and data mining and analysis. IEEE is monitoring new developments and will update the collection periodically. If you are unable to access an article that may be important in addressing COVID-19, please contact IEEE at email@example.com.