News School with high vaccine exemptions has N.C.’s worst chickenpox outbreak since 1995 November 19, 2018 Sam DeGrave, Asheville Citizen Times Comments Off on School with high vaccine exemptions has N.C.’s worst chickenpox outbreak since 1995 A chickenpox outbreak at a private school with a high vaccine exemption rate ranks as the state's largest in more than 20 years, health officials say.