They docked at three ports. Ningbo was just one. Shekou Port is just downriver and to the east of Wuhan, sort of a suburb. It’s listed in the article.
Yeah, you’re right.
Everyone is worried about the air traffic and airplane passengers.
Shipping is how the 1918 bug got around the world in 80 days (ok, probably a little longer than that but around the world it did go...)