Unit for Surveillance and Control of Communicable Diseases official Maria Koliou said the pupils had spent an average of two days in hospital for precautionary reasons before being sent home.
Symptoms of viral meningitis include headache, dislike of bright lights, neck stiffness, fever and nausea/vomiting. Individuals may also develop a rash or have muscle pain.
She noted viral meningitis did not require particular medical treatment but that it could be contagious. Its spread can be prevened by maintaining good levels of personal hygeine such as washing your hands regulalry.
Koliou also noted the viral meningitis could occur at any time of year and said her unit was carefully monitoring the most recent outbreaks.