What is meningococcal disease? Symptoms to know as CDC warns of spike in bacterial infection CBS NewsRare but severe cases of meningitis are on the rise, CDC warns The Washington PostHealth Alert Network (HAN) - 00505 | Increase in Invasive Serogroup Y Meningococcal Disease in the United States CDC Emergency PreparednessUS officials warn of increase in bacterial illnesses that can lead to meningitis and possibly death The Associated PressFive deaths in Virginia connected to statewide meningococcal disease outbreak CNN