Eric Campbell missed practices today because he was not feeling well. He was taken to a hospital in Okinawa for tests and was diagnosed with viral gastroenteritis. He rested at the team hotel and is considered day-to-day.
[UPDATE 2/17 @ 4:12pm]
Campbell did not participate in practices today because he was still not feeling well.
Source: Nikkan Sports 2/17/2017
[UPDATE 2/20 @ 1:33am]
Campbell resumed practices on February 18. He is slated to rejoin general practices when the fifth block of camp begins on February 21.
Source: Nikkan Sports 2/19/2017