https://wccftech.com/press-f-to-pay-respects-to-mwc-2020/

Merely hours after rumors about MWC 2020's cancelation surfaced, the event's organizers GSMA just put out an official statement stating that the event won't take place this year. The reason for its cancelation is cited to be the recent Coronavirus epidemic that has plagued China. Here's what it says:

With due regard to the safe and healthy environment in Barcelona and the host country today, the GSMA has cancelled MWC Barcelona 2020 because the global concern regarding the coronavirus outbreak, travel concern and other circumstances, make it impossible for the GSMA to hold the event.