Kris Johnson was taken off the active roster today because he was not feeling well (sore throat). He first started feeling sick on April 3 and was examined at a hospital in Hiroshima. He rested at home and did not attend practices yesterday or today (April 4, 5).
Source: Daily Sports 4/5/2017
[UPDATE 4/19 @ 4:10pm]
Johnson has not resumed practices and is still resting at home. He has been going to a hospital for tests and treatment because of a prolonged fever. Once he is ready, he will resume practices at San-gun.
Source: Tokyo Sports 4/19/2017
[UPDATE 4/23 @ 6:39pm]
Johnson resumed workouts at the Ono facilities on April 22. He threw the ball about thirty times during a came of catch. His doctor game him the green light on April 21.
Source: Sponichi 4/23/2017