In May, North Sea Ports (Ghent, Terneuzen, Vlissingen) has felt the impact of the virus, with a drop of 33% in ships. Roro was halved (-53%), with the closure of car factories and suppliers as one of the main reasons.
Author: Capt. John
https://www.ferryshippingnews.com/north-sea-ports-feel-the-impact-of-corona/