<prompt> The Most common cause of meningitis in children aged 5 years isH-influenzaeN-meningitidesStrep pneumoniaStaph. aureus  <response>: Several kinds of bacteria can cause bacterial meningitis. The most common ones in the U.S. are: problems A bacteria called Haemophilus influenzaetype b Hib was a common cause of meningitis in babies and young children until the Hib 