https://wccftech.com/nvidia-delays-major-gtc-product-announcement-due-to-covid/

NVIDIA had been preparing something spicy for release at GTC this year. This much is obvious from how much the company tried to salvage any semblance of a "show" and get their major product announcement out. It seems, however, that they have accepted COVID's impact in a blog titled "GTC News Can Wait". Either that or the company expects the coronavirus to have a significant impact on the economy and want to rethink their strategy with regards to whatever product announcement they had ready (likely a flagship GPU architecture).

I do feel for the company. From their actions, they were really excited to share whatever it was. GTC is usually home to the professional side of things and it is possible the company was planning on announcing their professional Ampere-based GPUs on this iteration. You can see NVIDIA's increasingly desperate attempts to salvage the show from the GTC timeline, which went something like this: