If you’ve been exposed to the herpes virus, it can take anywhere from 2 to 10 days for symptoms to appear and for the virus to be detected on a test. Learn more.

Similarly, among the Crohn's cohort, the low dose achieved an endoscopic remission in 26.1% of patients, versus 13% with placebo, rising to 47.8% with the high dose and 34.8% for the matched control.