The new NC requirement states a booster dose of the meningococcal vaccine will be required for students entering 12th grade or 17 years of age, whichever comes first, beginning August 2020. I have attached a NCDHHS document: What You Need to Know about Meningococcal Disease which addresses many questions including the time frame for the new booster dose requirement in the area of the front page titled: What are the N.C. requirements for school entry.”