For 11 years, Rachel Weisz has been suffering from shingles, a painful condition that is caused by the varicella zoster virus.
Shingles is a painful condition manifested with blisters that affects nerves of the body.

Dr. Angela Mailis is the Director of the Comprehensive Pain Program at the Toronto Western Hospital.

People at risk are mostly people who are older because our immune system gets weaker with age. 92% of cases of shingles occur in people of advancing age and 8% in people with immune system compromise because of disease or cancer or other treatments.