Becky Dennis delivered one of her best presentations while on a 2008 business trip to India. But within two hours of giving her talk, she couldn't put together a sentence or move her legs…Ultimately, Dennis found her way to a vascular neurologist who diagnosed her with encephalitis. "I felt vindicated, validated," she said…But some insect-borne varieties, such as Eastern equine encephalitis, cause death or disabling effects in between 70 to 90 percent of cases, said Dr. H. Gordon Deen, a neurosurgery professor at the Mayo Clinic in Jacksonville, Fla., who reviewed the report's findings for Inspire and Encephalitis Global.

ABC World News, 02/29/2012

Additional coverage: WBUR NPR

Tags: Becky Dennis, Dr. H. Gordon Deen, Eastern equine encephalitis, encephalitis, Encephalitis Global, Inspire, Mayo Clinic Jacksonville, Neurology, neurosurgery professor, Vascular, vascular neurologist