Gromley Underhill:
How does the endurance skill interact with disease and poison again? Does it help you resist the condition or if you roll well enough can your body cure itself?
Both. Depends on your stage of infection. At Stage One, your first Endurance check could help you beat the disease on the first check.
The Cure Disease ritual gives you a chance to bypass that Endurance check if your Endurance score isn't great.
Harald, giving you a chance to chime in before moving along as one of the infected parties.