The Department of Health and Human Services says 45 million doses of the H-1-N-1 vaccine will be ready in October, which is less than they originally planned.
The plan was to have 120 million doses. Officials blame delays on manufacturing and packaging.
School starts next week in the Tarheel State for most students, but year round students have been brushing up on the basics.
Teachers are encouraging them to wash their hands and cough in their arms. But students aren't the only ones learning to protect themselves from contracting and spreading the virus.
The centers for disease control officials says pregnant women and healthcare workers should be the first in line to get the two-dose vaccine, followed by school-age children and teens.