“ Foxconn could see a “big” production impact and shipments to customers including Apple face disruption if a Chinese factory halt due to the coronavirus outbreak extends into a second week, a person with direct knowledge of the matter said.”

Exclusive: Outbreak to hit iPhone output if China extends Foxconn factory halt - source - Reuters https://www.reuters.com/article/us-china-health-foxconn-exclusive-idUSKBN1ZX1ZH