Officials said the child's school is already out for the summer - so there's less concern that the illness was spread to other students.
Both individuals are home and recovering.
The news comes a day after it was announced that a student at Reedy Creek Middle School in Cary had been diagnosed.
District officials ordered the school disinfected before classes began Thursday.
Health experts have some tips to help slow the spread of the disease:
· Wash your hands frequently with soap and water or an alcohol-based hand rub
· Cover your mouth and nose when coughing or sneezing
· Avoid close contact with those who are sick
· Stay at home if you are sick
Influenza-like symptoms include fever, cough, sore throat, body aches, headache, chills and fatigue. Some people have reported diarrhea or vomiting associated with this virus.