10/25/2012 02:20 EDT | Updated 12/25/2012 05:12 EST

CDC: Cases of a rare fungal meningitis rise to 328 in 18 states

An outbreak of fungal meningitis has been linked to steroid shots for back pain. The medication, made by a specialty pharmacy in Massachusetts, has been recalled.

Latest numbers from the Centers for Disease Control and Prevention:

Illnesses: 328, including five joint infections.

Deaths: 24.

States: 18; Florida, Georgia, Idaho, Illinois, Indiana, Maryland, Michigan, Minnesota, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Texas and Virginia.