Injections • 35 people in six states sickened from a steroid distributed to 23 states.
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Nashville, Tenn. • Another fatality from a growing outbreak of a rare form of meningitis was reported Thursday, raising the death toll to five people, officials said.
In all, 35 people in six states have been sickened from a steroid that was distributed to 23 states, the Centers for Disease Control and Prevention said.
All received steroid injections used mostly for back pain that have been traced back to a specialty pharmacy in Massachusetts. The pharmacy issued a recall last week and has shut down operations.
The type of meningitis involved is not contagious like the more common forms. This type is caused by a fungus often found in leaf mold. Health officials suspect it may have been in the steroid.
Investigators said they are still trying to confirm the source of the infection.
Cases have been reported in Tennessee, Indiana, Virginia, Maryland, Florida and North Carolina.
Tennessee has by far the most cases with 25. Many of them were treated at the Saint Thomas Outpatient Neurosurgery Center in Nashville, which had 2,000 vials of the suspect lots, the largest number. That clinic voluntarily closed last month to deal with the investigation.
Dr. Robert Latham, chief of medicine at Saint Thomas Hospital, said a patient died there late Wednesday or early Thursday, bringing the number of deaths in Tennessee to three. Deaths were also reported in Virginia and Maryland.
More new cases are almost certain to appear in the coming days, said Tennessee Department of Health Commissioner John Dreyzehner. Five new cases were confirmed over the past 24 hours, he said Wednesday, calling the situation a "rapidly evolving outbreak."
Federal health officials weren't clear about whether new infections are occurring. They are looking for and increasingly finding illnesses that occurred in the past two or three months.
Meningitis is an inflammation of the lining of the brain and spinal cord. Symptoms include severe and worsening headache, nausea, dizziness and fever. Some of the patients also experienced slurred speech, and difficulty walking and urinating, Tennessee health officials said.
"Some are doing well and improving. Some are very ill very, very seriously ill and may die," Tennessee health official Dr. David Reagan said of the state's patients.
The incubation period is estimated at anywhere from two to 28 days, so some people may not have fallen ill yet, Tennessee health officials said. At three clinics in Tennessee, officials are contacting the more than 900 people who received the steroid in the past three months.
Investigators also have been looking into the antiseptic and anesthetic used during the injections. Neither has been ruled out. However, the primary suspicion is on the steroid medication. Steroid shots are common for back pain, often given together with an anesthetic.
The Food and Drug Administration identified the maker of the steroid as New England Compounding Center, a specialty pharmacy in Framingham, Mass. Last week, the company issued a recall of three lots of the steroid methylprednisolone acetate. In a statement, the company said it had voluntarily suspended operations and was working with regulators to identify the source of the infection.
Compounding pharmacies mix ingredients for customized medicines that generally aren't commercially available. They are regulated by states.
The outbreak was discovered about two weeks ago when Vanderbilt University's Dr. April Pettit was treating a patient who was not doing well for reasons doctors did not understand.
When the lab found the fungus in the patient's spinal fluid, Pettit began asking questions and learned the patient recently had steroid injections in his spine, according to Dr. William Schaffner, who chairs Vanderbilt's Department of Preventive Medicine.
"When it became clear that the infection-control practices at the clinic were up to par, the steroid medication became implicated," Schaffner said.
Federal officials did not release condition reports or details on all the patients. Fungal meningitis is treated with high-dose antifungal medications, usually given intravenously in a hospital.
Some answers about meningitis
How big is the outbreak? • At least 35 people have contracted fungal meningitis and five of them have died. All received steroid injections, a common treatment for back pain, in the past few months.
How were people infected? • The prime suspect is the steroid shots. Federal officials said that a fungus was found inside at least one sealed vial of the steroid.
Where did the steroid come from? • A specialty pharmacy, New England Compounding Center in Framingham, Mass., custom-made the steroid. The company has recalled nearly 17,700 vials. Shipments went to 75 clinics and other facilities in 23 states.
What is meningitis? • Meningitis is an inflammation of the lining of the brain and spinal cord. Symptoms include a severe headache, nausea, dizziness and fever. Fungal meningitis is not contagious like the more common forms, bacterial and viral meningitis. It is caused by a fungus often found in leaf mold.