The ship's return from its current voyage was being delayed to allow "ample timing" for testing of "a number of passengers and crew members that have developed symptoms," Newsom told a press conference. Eleven passengers and 10 crew members were potentially infected with the virus, Newsom said.

from Times of India https://timesofindia.indiatimes.com/world/us/thousands-held-on-cruise-ship-off-california-over-coronavirus-fears/articleshow/74486915.cms