RT Journal A1 Parmet S, Lynm C, Glass RM T1 CHickenpox JF JAMA JO JAMA YR 2004 FD February 18 VO 291 IS 7 SP 906 OP 906 DO 10.1001/jama.291.7.906 UL http://dx.doi.org/10.1001/jama.291.7.906 AB Chickenpox is a highly contagious and common childhood disease caused by a virus in the herpes family of viruses called the varicella virus. The varicella virus can remain in the body for decades and become active again in adults, causing herpes zoster (shingles). Shingles involves the occurrence of painful skin sores along the distribution of nerves across the trunk or face. The February 18, 2004, issue of JAMA includes an article about the effectiveness of the varicella vaccine in preventing chickenpox.