https://arstechnica.com/gadgets/2020/02/apple-expects-iphone-supply-shortages-due-to-coronavirus-investor-note-says/

Apple published a note to investors this week saying that it will miss its quarterly guidance for the next quarter because of the impact the COVID-19 coronavirus has had on supply lines and Chinese consumer demand. The note says that Apple expects "worldwide iPhone supply will be temporarily constrained" and that Apple and its partners may not be able to make enough iPhones to meet demand around the world.