Shingles, also known as herpes zoster, is caused by the varicella-zoster virus (VZV), the same virus that causes chickenpox. VZV stays inactive in the body after chickenpox recovery. This virus can reactivate later, causing shingles. According to a 2019 data report by the Centers for Disease Control and Prevention, only 23% of Asian Americans over the age of 50 had received a dose of the shingles vaccine