Caused by varicella-zoster virus (VZV) which is the same virus that causes chickenpox (varicella)

Varicella zoster is part of a group of viruses called herpes viruses
Shingles is characterized by painful rash/blisters usually on face/torso.

* Other symptoms include: itching, burning, numbness, tingling, sensitivity to touch, blisters that scab over

Q & A

What causes shingles?
* Reason is unclear
* Anyone who has had chickenpox can STILL get shingles
* Higher risk in older adults with weakened immune system
* Can still develop shingles despite vaccination BUT a vaccination can reduce the severity and duration of shingles breakout

Mayo Clinic

How is shingles spread?
* A person with shingles can pass it to anyone who is not immune to chickenpox (varicella) via direct contact

Mayo Clinic

Can I still shingles vaccine even if I have had chicken pox before? *Given a normally functioning immune system: once you have chickenpox once, you cannot get chicken pox again*

* Yes, you can still develop shingles even though you are immune to chicken pox. Therefore, you can get the chickenpox (varicella) vaccine AND shingles (herpes zoster) vaccine

Shingles (herpes zoster) Vaccine