1.   In a few rare instances, the disease can cause death.

2.   In its most severe form the disease causes death in early childhood from overwhelming infection.

3.   The disease causes acute physical discomfort.

4.   The disease causes inflammation of the brain.

5.   The disease causes pregnant animals to abort.

6.   The disease often causes joints to deform.

7.   The blindness that the disease causes will be permanent.

8.   This disease causes sterility in both males and females.